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Orthotetida

Strophomenata - Orthotetida

Taxonomy
Orthotetida was named by Waagen (1884).

It was assigned to Strophomenata by Williams et al. (2000), Rubel (2011), Hints and Harper (2015).

Synonymy list
YearName and author
1884Orthotetida Waagen
2000Orthotetida Williams et al. p. 644
2011Orthotetida Rubel
2015Orthotetida Hints and Harper

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
RankNameAuthor
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderOrthotetidaWaagen 1884
orderOrthotetidaWaagen 1884

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Or. †Orthotetida Waagen 1884
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Subor. †Orthotetidina Waagen 1884
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Superfm. †Chilidiopsoidea Boucot 1959
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Fm. †Areostrophiidae Manankov 1979
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Subfm. †Adectorhynchinae Henry and Gordon 1985
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G. †Floweria Cooper and Dutro 1982
Subfm. †Areostrophiinae Manankov 1979
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G. †Aesopomum Havlicek 1965
G. †Carinastrophia Gratsianova 1975
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Invalid names: Xenizostrophia [synonym]
G. †Imbriea Reily 2020
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Invalid names: Orthopleura [replaced]
Fm. †Chilidiopsidae Boucot 1959
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Subfm. †Chilidiopsinae Boucot 1959
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G. †Hipparionix King
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Hipparionyx ereme Talent 1963
Hipparionyx major Gill 1949
Invalid names: Hipparionyx ereme Talent 1963 [valid], Hipparionyx major Gill 1949 [valid]
G. †Iridistrophia Havlicek 1965
+
Invalid names: Hinganella Su 1980 [synonym], Magicostrophia [synonym]
G. †Kopella Nikitina et al. 2006
G. †Morinorhynchus Havlicek 1965
Invalid names: Fardeniinae Williams 1951 [synonym]
G. †Fardenia Lamont 1935
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Subg. †Fardenia (Coolinia) Bancroft 1949
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Invalid names: Chilidiopsis [synonym], Krizistrophia [synonym]
Subg. †Fardenia (Fardenia) Lamont 1935
Fardenia comes Marek and Havlíček 1967
Fardenia costatula Cooper and Kindle 1936
Fardenia filistriata Boucot et al. 1972
Fardenia flabellata Beznosova 1985
Fardenia gwaliae Cocks 2014
Fardenia modica Rong and Li 1999
Fardenia oblectator Baarli 1995
Fardenia scalena Williams 1962
Fardenia transversalis Stearn 1956
Subfm. †Gacellinae Williams et al. 2000
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G. †Gacella Williams 1962
G. †Saughina Bancroft 1949
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Saughina pertinax Reed 1917
G. †Valdaria Bassett and Cocks 1974
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Valdaria testudo Bassett and Cocks 1974
G. †Xystostrophia Havlicek 1965
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Xystostrophia umbraculum von Schlotheim 1820
Invalid names: Apicilirella [synonym]
Fm. †Eocramatiidae Williams 1974
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Superfm. †Orthotetoidea Waagen 1884
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Fm. †Derbyiidae Stehli 1954
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G. †Derbyia Waagen 1884
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Derbya bennetti Hall and Clarke 1892
Derbya cymbula Hall and Clarke 1892
Derbya keokuk Hall 1858
Derbya robusta Hall 1858
Derbyia achengensis Lee and Gu 1980
Derbyia acutangula Huang 1933
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Invalid names: Derbyia guangdongensis Ni 1977 [synonym], Derbyia mucronata Liao 1980 [synonym]
Derbyia acutiplicata Metz 1936
Derbyia altestriata Waagen 1884
Derbyia arellanoi Cooper 1953
Derbyia arizonensis McKee 1941
+
Invalid names: Derbyia regularis McKee 1938 [replaced]
Derbyia auriplexa Hoover 1981
Derbyia baroghilensis Reed 1925
Derbyia bella Cooper and Grant 1974
Derbyia bilobata Jin and Shi 1985
Derbyia buchi d'Orbigny 1842
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Invalid names: Productus andii d'Orbigny 1842 [synonym]
Derbyia buriensis Reed 1944
Derbyia carteri Cooper and Grant 1974
Derbyia cincinnata Cooper and Grant 1974
Derbyia complicata Cooper and Grant 1974
Derbyia crassa Meek and Hayden 1858
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Invalid names: Orthisina umbraculum Swallow 1858 [synonym]
Derbyia crenulata Girty 1909
Derbyia cymbula Hall and Clarke 1893
Derbyia daliangensis Lee and Gu 1980
Derbyia deltauriculata Hoover 1981
Derbyia dirata Grant 1993
Derbyia diversa Reed 1944
Derbyia dorsoplana Diener 1915
Derbyia dorsosulcata Liu and Waterhouse 1985
Derbyia duomaensis Sun 1983
Derbyia dupliciseptata Grabau 1931
Derbyia elevata King 1931
Derbyia elongata Cooper 1953
Derbyia expansa Schellwien 1892
Derbyia exserta Sun 1983
Derbyia filosa Cooper and Grant 1974
Derbyia gigantea Kalashnikov 1993
Derbyia grandis Waagen 1884
Derbyia guidingensis Shen and He 1994
Derbyia hardmani Thomas 1958
Derbyia haroubi Angiolini 1997
Derbyia hemisphaerica Waagen 1884
Derbyia hooserensis Dunbar and Condra 1932
Derbyia incurva Abich 1878
Derbyia informis Cooper and Grant 1974
Derbyia laqueata Cooper and Grant 1974
Derbyia magnus Branson 1930
Derbyia metzi Gauri 1965
Derbyia mongolica Grabau 1931
Derbyia mutabilis Liao 1980
Derbyia nasuta Girty 1909
Derbyia nigpi Chen and Liao 2007
Derbyia nipponica Nakamura 1972
Derbyia otoeis Lee and Gu 1980
Derbyia pannucia Cooper and Grant 1974
Derbyia pannuciella Xu and Grant 1994
Derbyia pararegularis Lee and Gu 1980
Derbyia parasitica Kozlowski 1914
Derbyia perplexus Waterhouse 1981
Derbyia plicatella Waagen 1884
Derbyia postplicatella Waterhouse and Gupta 1983
Derbyia profunda Cooper and Grant 1974
Derbyia regis Grant 1995
Derbyia regularis Waagen 1884
+
Invalid names: Orthotetes fascicostata Liang 1990 [synonym]
Derbyia rudicula Liang 1990
Derbyia sakamotozawensis Shintani 2011
Derbyia schellwieni Frech 1911
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Invalid names: Derbyia disalata Liao 1980 [synonym], Derbyia yangtzeensis Jin and Hu 1978 [synonym]
Derbyia scitula Cooper and Grant 1974
Derbyia scobina Grant 1976
Derbyia senbaensis Jin and Shi 1985
Derbyia simplicis Lee and Gu 1980
Derbyia speciosa Yang 1984
Derbyia striolata Lee and Gu 1980
Derbyia strophomenoidea Cooper and Grant 1974
Derbyia subaurita Reed 1944
Derbyia subsinuata Reed 1944
Derbyia sulca Branson 1930
Derbyia sulcata Walter 1953
Derbyia sultanensis Reed 1944
Derbyia texta Cooper and Grant 1974
Derbyia vercherei Waagen 1884
Derbyia waageni Schellwien 1892
Derbyia wabaunseensis Dunbar and Condra 1932
Derbyia yeerqiangensis Chen and Shi 2006
Derbyia yongjiensis Lee and Gu 1980
Derbyia yukisawensis Tazawa and Shintani 2014
Invalid names: Paraderbyia Sun 1983 [synonym], Plicatoderbyia Thomas 1937 [synonym], Pseudoderbyia Likharev 1934 [synonym], Wardakia Termier et al. 1974 [synonym]
G. †Diplanus Stehli 1954
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Diplanus apochordus Cooper and Grant 1974
Diplanus catatonus Cooper and Grant 1974
Diplanus dilatus Grant 1995
Diplanus lamellatus King 1931
Diplanus rarus Cooper and Grant 1974
Diplanus redactus Cooper and Grant 1974
Diplanus stanleyi Watkins 1974
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Dorsoscyphus johnsoni Watkins 1974
G. †Nothopindax Cooper and Grant 1974
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Nothopindax egregius Cooper and Grant 1974
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Invalid names: Miniplanus Waterhouse and Piyasin 1970 [synonym]
Fm. †Meekellidae Stehli 1954
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Subfm. †Meekellinae Stehli 1954
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G. †Alatorthotetina He and Zhu 1985
G. †Geyerella Schellwien 1900
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Invalid names: Turriculum de Gregorio 1930 [synonym]
G. †Meekella
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Invalid names: Asiomeekella Liang 1990 [synonym], Gegenella [synonym], Parameekella He and Zhu 1985 [synonym]
G. †Meekellogeyerella Shen and Shi 2007
G. †Niviconia Cooper and Grant 1974
G. †Orthothetina Schellwien 1900
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Invalid names: Lopingia Zhan 1979 [synonym]
G. †Paraorthotetina He and Zhu 1985
G. †Sicelia Gortani and Merla 1934
Subfm. †Omboniinae Sokolskaya 1960
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G. †Ombonia Caneva 1906
Fm. †Orthotetellidae Cooper and Grant 1974
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G. †Hypopsia Cooper and Grant 1974
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Hypopsia versuta Cooper and Grant 1974
G. †Orthotetella King 1931
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Fm. †Orthotetidae Waagen 1884
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+
Apsocalymma shiellsi McIntosh 1974
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Brochocarina trearnensis McIntosh 1974
Brochocarina wexfordensis Brunton 1968
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Derbyoides cassidula Liang 1990
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Invalid names: Liberella elegans Liang 1990 [synonym]
Derbyoides dunbari Cooper and Grant 1974
Derbyoides lamella Liang 1990
Derbyoides marathonensis Cooper and Grant 1974
G. †Hipparionix King
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Hipparionyx ereme Talent 1963
Hipparionyx major Gill 1949
Invalid names: Hipparionyx ereme Talent 1963 [valid], Hipparionyx major Gill 1949 [valid]
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Orthotetes abruptus Liang 1990
Orthotetes afanasjevae Manankov 2004
Orthotetes bisulcatus Waterhouse 1966
Orthotetes canadensis Shi and Waterhouse 1996
Orthotetes guppyi Thomas 1958
Orthotetes jugorica Ustritsky 1960
Orthotetes kaskaskiensis McChesney 1860
Orthotetes keokuk Hall 1858
Orthotetes kraffti Diener 1903
Orthotetes picta Fang 1983
Orthotetes plana Ivanov 1926
Orthotetes simensis Tschernyschew 1902
Orthotetes sulcus Branson 1930
Orthotetes sulensis Kalashnikov 1993
Orthotetes trigonalis Lee and Gu 1980
Orthothetes crenistria Phillips 1836
Invalid names: Orthotetoides [synonym], Pseudoorthotetes [synonym]
G. †Tapajotia
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Tapajotia tapajotensis Derby 1874
G. †Werriea
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Werriea australis Campbell 1957
Invalid names: Permorthotetes Thomas 1958 [synonym]
Fm. †Pulsiidae Cooper and Grant 1974
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G. †Pulsia
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Pulsia linguaeformis Gauri 1965
Pulsia mosquensis Ivanov 1926
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Schellwienella alternata Weller 1914
Schellwienella crenistria McIntosh 1974
Schellwienella inflata White and Whitfield 1862
Schellwienella marcidula Amsden 1958
Schellwienella radialis Brunton 1968
Schellwienella regina Grabau 1931
Schellwienella rotunda Thomas 1910
Schellwienella scotica McIntosh 1974
Schellwienella senilis Phillips 1836
Schellwienella umbonata Easton et al. 1958
Fm. †Schuchertellidae Williams 1953
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Subfm. †Schuchertellinae Williams 1953
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G. †Goniarina Cooper and Grant 1969
G. †Schuchertella Girty 1904
G. †Serratocrista Brunton 1968
G. †Teserina Posenato 2011
Subfm. †Streptorhynchinae Stehli 1954
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G. †Arcitreta Whitfield
G. †Arctitreta Whitfield 1908
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Invalid names: Grumantia Ustritsky 1963 [synonym]
G. †Bothrostegium Cooper and Grant 1974
G. †Chelononia Cooper and Grant 1974
G. †Kiangsiella Chao 1927
G. †Notostrophia Waterhouse 1973
G. †Pseudostreptorhynchus Shen and Shi 2007
G. †Streptorhynchus King 1850
G. †Taimyropsis Ustritsky 1963
G. †Tropidelasma Cooper and Grant 1969
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Invalid names: Erismatina Waterhouse 1983 [synonym], Parageyerella He and Zhu 1985 [synonym]
Subor. †Triplesiidina Moore 1952
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Superfm. †Triplesioidea Schuchert 1913
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Fm. †Triplesiidae Schuchert 1913
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G. †Acaretyrricula Jin and Chatterton 1997
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Acaretyrricula tenuiguttae Jin and Chatterton 1997
G. †Amphiplecia Wright and Jaanusson 1993
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Amphiplecia bondarevi Cocks and Modzalevskaya 1997
Amphiplecia depressa Wright and Jaanusson 1993
Amphiplecia tardicostata Wright and Jaanusson 1993
G. †Bicuspina Havlicek 1950
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Bicuspina multicostellata Havlicek 1951
Bicuspina subquadrata Williams 1974
G. †Caeroplecia Williams 1974
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Caeroplecia plicata Williams 1974
G. †Cliftonia Foerste 1909
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Subg. †Cliftonia (Cliftonia) Foerste 1909
Cliftonia lamellosa Williams 1951
Cliftonia obovata Chang 1981
Cliftonia oxoplecioides Wright 1963
Cliftonia psittacina Wahlenberg 1821
Cliftonia striata Foerste 1909
Cliftonia tubulistriata Savage 1913
G. †Craigella
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Craigella grayiae Davidson 1870
Invalid names: Epacroplecia Williams 1962 [synonym], Nucleorhynchia [synonym]
G. †Grammoplecia Wright and Jaanusson 1993
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Grammoplecia subcraegensis Rukavishnikova 1956
Grammoplecia triplesioides Wright and Jaanusson 1993
Grammoplecia wrighti Popov et al. 2002
G. †Ogmoplecia Wright and Jaanusson 1993
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Ogmoplecia nesca Popov and Cocks 2006
Ogmoplecia plicata Wiman 1907
G. †Onychoplecia Cooper 1956
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Onychoplecia gracilis Raymond 1902
Onychoplecia kindlei Cooper 1956
Onychoplecia longirostris Billings 1859
Onychoplecia matutina Cooper 1956
Onychoplecia obesa Cooper 1956
Onychoplecia schmidti Rõõmusoks 1964
Onychoplecia tenuis Cooper 1956
G. †Onychotreta Ulrich and Cooper 1936
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Onychotreta mesleri Ulrich and Cooper 1936
Invalid names: Eilotreta [synonym], Lissotreta [synonym]
G. †Oxoplecia Wilson 1913
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Oxoplecia abnormis Cooper 1956
Oxoplecia andersoni Reed 1917
Oxoplecia calhouni Wilson 1913
Oxoplecia cooperi Wright 1964
Oxoplecia costellata Cooper 1956
Oxoplecia holstonensis Willard 1928
Oxoplecia monitorensis Cooper 1956
Oxoplecia plicata Wiman 1907
Oxoplecia subborealis Davidson 1883
Oxoplecia ujukensis Andreeva 1982
G. †Paraonychoplecia Percival 1991
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Paraonychoplecia inversa Percival 1991
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Placotriplesia spissa Popov et al. 2002
G. †Plectotreta Ulrich and Cooper 1936
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Plectotreta lindstroemi Ulrich and Cooper 1936
G. †Streptis Davidson 1881
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Streptis altosinuata Holtedahl 1916
Streptis grayii Davidson 1848
Streptis monilifera M'Coy 1846
Streptis undifera Ulrich and Cooper 1936
G. †Triplesia Hall 1859
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Triplesia calcifera Billings 1861
Triplesia carinata Cooper 1956
Triplesia craigensis Reed 1917
Triplesia edgelliana Davidson 1869
Triplesia eospiriferoides Havlicek and Storch 1990
Triplesia extans Emmons 1842
Triplesia girvanensis Cocks 2008
Triplesia hintsae Cocks 2014
Triplesia iberica Villas 1985
Triplesia insularis Eichwald 1843
Triplesia maennili Rubel 1963
Triplesia monilifera M'Coy 1846
Triplesia sortanensis Nikitin and Popov 1996
Triplesia subcarinata Cooper 1956
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryp
Attached: yesp
Life habit: low-level epifaunalp
Diet: suspension feederp
Vision: blindc
Created: 2010-02-15 05:25:57
Modified: 2010-02-15 07:25:57
Source: c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Rangerian to the top of the Griesbachian or 471.30000 to 250.50000 Ma

Collections (5547 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ordovician486.85 - 443.1USA (New York) Triplesia sp. (332)
Rangerian471.3 - 470.3USA (Nevada) Onychoplecia sp. (80059)
Chazyan471.3 - 457.3USA (Alabama) Triplesia carinata (162364)
Chazyan471.3 - 457.3USA (New York) Camerella longirostris (42808 56184 56185 56212 56214 171705 171707 171711 171798 172171 172187 172221 172227 172233 172236 172238 172246 172294 172296 172302 172303 172304 172307 172309 172310 172313 172318 172321 172323 172326 172328 172330 172331 172332 172342 172346 172348) Onychoplecia gracilis (164475)
Chazyan471.3 - 457.3USA (Virginia) Oxoplecia costellata (186183)
Chazyan471.3 - 457.3USA (Vermont) Onychoplecia gracilis (186174)
Chazyan471.3 - 457.3Canada (Northwest Territories) Onychoplecia sp. (315) Triplesia sp. (314)
Chazyan471.3 - 457.3USA (Tennessee) Onychoplecia brevirostris (204097) Onychoplecia longirostris (222075) Onychoplecia sp. (308) Oxoplecia holstonensis (186185 186186 219793)
Chazyan471.3 - 457.3Canada (Newfoundland and Labrador) Onychoplecia kindlei (104861)
Chazyan471.3 - 457.3Canada (Quebec) Onychoplecia sp. (307 311)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Changhsingian254.14 - 251.902China (Fujian) Derbyia sp., Orthothetina ruber, Orthothetina regularis, Orthothetina frechi (220221) Orthothetina regularis (148564 148570) Orthothetina ruber (148567 148569 220217) Orthothetina ruber, Orthothetina frechi (220222) Orthothetina ruber, Orthothetina regularis (121428 148565 148572) Orthothetina ruber, Orthothetina regularis, Orthothetina frechi (220219) Orthothetina sp. (95491 95508 148566) Perigeyerella sp., Orthothetina ruber, Orthothetina regularis, Orthothetina frechi (220220) Streptorhynchus longyangensis (120024)
Changhsingian254.14 - 251.902Pakistan Derbyia grandis, Derbyia hemisphaerica, Derbyia altestriata (126980) Derbyia grandis, Derbyia regularis (119677) Derbyia grandis, Streptorhynchus pectiniformis, Derbyia hemisphaerica (90251) Derbyia hemisphaerica (119608 125352 125353) Derbyia hemisphaerica, Derbyia regularis (89064) Derbyia regularis (125343 126889) Derbyia sp., Derbyia grandis, Kiangsiella pectiniformis, Derbyia hemisphaerica (126882) Derbyia sp., Derbyia hemisphaerica (126898) Derbyia sp., Derbyia plicatella (126887) Derbyia sp., Streptorhynchus sp., Derbyia grandis (126883) Kiangsiella pectiniformis, Derbyia hemisphaerica (126996) Orthotetoidea indet., Streptorhynchus asperulus (126896) Streptorhynchus asperulus, Derbyia subaurita (126981) Streptorhynchus distortus (90261 119554) Streptorhynchus pectiniformis (119613 119625 119684) Streptorhynchus pectiniformis, Derbyia hemisphaerica (119637) Streptorhynchus pelargonatus, Kiangsiella pectiniformis, Streptorhynchus asperulus, Derbyia subaurita (126934) Streptorhynchus sp. (119731) Streptorhynchus sp., Derbyia hemisphaerica, Derbyia altestriata, Derbyia subaurita, Derbyia subsinuata, Streptorhynchus memor (126897) Streptorhynchus sp., Derbyia hemisphaerica, Derbyia subsinuata (126933) Streptorhynchus sp., Kiangsiella pectiniformis (126988)
Changhsingian254.14 - 251.902China (Hunan) Derbyia sp. 2, Derbyia regularis, Meekella arakeljani, Orthothetina ruber, Meekella kueichowensis, Perigeyerella fastigiata, Meekella chenxianensis, Perigeyerella chenxianensis (138548) Orthothetina regularis (117540) Orthothetina ruber (136850 138552 162517) Orthothetina ruber, Geyerella distorta, Perigeyerella fastigiata, Meekellogeyerella meekelloides (138551) Orthothetina ruber, Orthothetina regularis (111899) Orthothetina sp. (31418 31420) Perigeyerella costellata (121119) Perigeyerella costellata, Perigeyerella fastigiata, Meekella sanheensis, Meekella pectiniformis (105918) Streptorhynchus sp. (162509)
Changhsingian254.14 - 251.902China (Guangxi) Derbyia acutangula, Orthothetina ruber, Meekella kueichowensis, Orthothetina regularis (138533) Derbyia schellwieni (138540 138541) Derbyia sp., Schuchertella fushuiensis (97022) Derbyia sp., Streptorhynchus sp. (50024) Geyerella sp., Meekella sp., Orthothetina frechi (149207) Geyerella sp., Schellwienella sp., Orthothetina ruber (149218) Goniarina sp. (95331 162518) Leptochondria intermedia (95336) Meekella arakeljani (112433) Meekella arakeljani, Meekella kueichowensis, Orthothetina regularis (138525) Meekella dongluoensis, Perigeyerella guangxiensis, Tropidelasma elongata (97023) Meekella kueichowensis, Streptorhynchus tenuiplicatus, Derbyia schellwieni (138535) Meekella sp., Meekella kueichowensis (107298) Meekella sp., Orthotetidae indet., Orthothetina ruber, Orthothetina regularis (206152) Meekella sp., Orthothetina sp., Orthotetidae indet., Orthothetina ruber, Orthothetina regularis, Tropidelasma zhongliangshanensis (206156) Meekella sp., Streptorhynchus sp., Orthotetidae indet., Orthothetina ruber, Orthothetina regularis (206105) Orthothetina regularis (138527) Orthothetina ruber (117510) Orthothetina ruber, Meekella kueichowensis (138532) Orthothetina ruber, Meekella kueichowensis, Derbyia schellwieni (138534) Orthothetina ruber, Meekella kueichowensis, Orthothetina frechi (149204) Orthothetina ruber, Orthothetina frechi (149206) Orthothetina ruber, Orthothetina regularis (138526) Orthothetina sp. (149209) Orthothetina sp., Meekella dongluoensis, Ombonia capilla, Derbyia nigpi, Schuchertella fushuiensis, Streptorhynchus ovata, Tropidelasma elongata (74731) Perigeyerella costellata, Streptorhynchus tenuiplicatus (138538) Perigeyerella guangxiensis (97021) Perigeyerella guangxiensis, Schuchertella fushuiensis (97020) Streptorhynchus pelargonatus, Orthothetina ruber (149205) Streptorhynchus pendulus (112400) Streptorhynchus sp., Perigeyerella costellata (112431)
Changhsingian254.14 - 251.902Hungary Ombonia tirolensis (82278 82280) Orthothetina ladina (82277 82279 116436) Orthothetina ladina, Ombonia tirolensis (82276)
Changhsingian254.14 - 251.902China (Guizhou) Derbyia acutangula, Orthothetina frechi (180415) Derbyia acutangula, Orthothetina ruber, Derbyia guangdongensis, Meekella kueichowensis, Orthothetina regularis, Orthothetina frechi (117486) Derbyia mutabilis (86606) Derbyia sp. (197491) Derbyia sp. 1, Derbyia sp. 3, Perigeyerella tricosa, Derbyia regularis, Streptorhynchus pelargonatus, Meekella arakeljani, Schuchertella semiplana, Orthothetina exquisita, Derbyia acutangula, Orthothetina ruber, Derbyia guangdongensis, Derbyia yangtzeensis, Perigeyerella costellata, Orthothetina eusarkos, Meekella dorsisulcata, Orthothetina regularis, Derbyia guidingensis, Tropidelasma zhongliangshanensis, Derbyia schellwieni (117481) Meekella arakeljani, Meekella kueichowensis, Meekella dorsisulcata (117483) Meekella arakeljani, Orthothetina ruber (138505) Meekella arakeljani, Orthothetina ruber, Meekella kueichowensis (138502) Meekella arakeljani, Orthothetina ruber, Meekella kueichowensis, Meekella langdaiensis, Orthothetina frechi (112090) Meekella dorsisulcata (108152 117487) Meekella kueichowensis (111062) Meekella sp. (149301) Orthotetina sp. (197492) Orthothetina frechi (99268 99630 111980 111982 145685) Orthothetina regularis (138516 197017 197027 197028 197029 197030 197031 197035 197039) Orthothetina regularis, Orthothetina frechi (145677 145681 145682 163278) Orthothetina ruber (51425 111987 111992 112015 112084 112085 112086 112087 112089 112091 112092 112093 112094 117480 138511 138512 138513 138514) Orthothetina ruber, Orthothetina regularis (112097 138515) Orthothetina sp. (89321) Perigeyerella costellata (95179 112142) Perigeyerella costellata, Orthothetina frechi (111981) Perigeyerella costellata, Perigeyerella elongata (108163) Streptorhynchus pelargonatus, Schuchertella semiplana, Derbyia yangtzeensis, Orthothetina regularis (117464) Streptorhynchus pelargonatus, Schuchertella semiplana, Orthothetina ellipsoides, Orthothetina ruber, Derbyia yangtzeensis, Meekella dorsisulcata, Orthothetina regularis, Streptorhynchus kayseri, Orthothetina shuangtangensis, Meekella langdaiensis, Derbyia guidingensis, Pseudostreptorhynchus deflecta (117465) Streptorhynchus sp., Goniarina sp. (136838)
Changhsingian - Griesbachian254.14 - 250.5India (Kashmir) Derbyia sp. (50044) Derbyia sp., Schellwienella sp. (48913)
Griesbachian251.902 - 250.5India (Kashmir) Derbyia sp. (214661)
Griesbachian251.902 - 250.5China (Guizhou) Perigeyerella sp. (151148)
Griesbachian251.902 - 250.5China (Zhejiang) Derbyia sp. (43788)