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Rostroconchia

Rostroconchia

Synonymy list
YearName and author
1972Rostroconchia Pojeta et al. p. 264
2002Rostroconchia Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
RankNameAuthor
superphylumLophotrochozoa
phylumMollusca
classRostroconchia
classRostroconchia

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.

Cl. †Rostroconchia Pojeta et al. 1972
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Or. †Anetshelloida Mazaev 2012
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Fm. †Anetshellidae Mazaev 2012
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G. †Anetshella Mazaev 2012
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Anetshella golowinskyi Netschajew 1894
Or. †Conocardiida Neumayr 1891
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Superfm. †Conocardioidea Miller 1889
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Fm. †Arceodomidae Mazaev 2023
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G. †Arceodomus Pojeta and Runnegar 1976
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Arceodomus angusta Hoare et al. 2002
Arceodomus colvae Fredericks 1915
Arceodomus cortazari Mallada 1875
Arceodomus fredericksi Mazaev 2023
Arceodomus fritschi Gemmellaro 1890
Arceodomus glabrata Easton 1962
Arceodomus japonicum Nishida 1968
Arceodomus langenheimi Wilson 1970
Arceodomus ouralicum de Verneuil 1845
Arceodomus praepermicus Fredericks 1915
Arceodomus prolata Hoare and Mapes 1990
Arceodomus siculum Gemmellaro 1890
Arceodomus snjatkovi Fedotov 1932
Arceodomus sphairikos Hanger et al. 2000
Fm. †Conocardiidae Miller 1889
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G. †Aphelakardia Hoare 1990
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Aphelakardia indianense Miller 1891
G. †Conocardium Bronn 1835
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Subg. †Conocardium (Conocardium) Bronn 1835
Conocardium acadianum Dawson 1891
Conocardium aliforme Sowerby 1815
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Invalid names: Conocardium minax Phillips 1836 [synonym]
Conocardium altum Keyes 1888
Conocardium aquisgranense Beushausen 1895
Conocardium armatum Phillips 1836
Conocardium cresswelli Talent and Philip 1956
Conocardium decussatum Etheridge 1873
Conocardium elongatum Sowerby 1815
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Invalid names: Conocardium rostratum Fleming 1828 [replaced]
Conocardium eximum de Koninck 1885
Conocardium ferox Dana 1849
Conocardium formosum Hoare 2002
Conocardium frater Whidborne 1896
Conocardium fusiforme M'Coy 1844
Conocardium gogoensis Fletcher 1943
Conocardium gympiense Fletcher 1943
Conocardium immatura Billings 1865
Conocardium incarceratum Clarke 1907
Conocardium inceptum Hall 1859
Conocardium inflatum M'Coy 1844
Conocardium lyelli d’Archiac and de Verneuil 1842
Conocardium nevadensis Walcott 1884
Conocardium nexile Branson 1942
Conocardium oehlerti Barrois 1889
Conocardium philipsii d'Orbigny 1850
Conocardium plinthinatus Branson 1942
Conocardium prunum Barrande 1881
Conocardium pseudobellum Pojeta and Runnegar 1976
Conocardium regulare de Koninck 1885
Conocardium renardi de Koninck 1885
Conocardium retusum Maurer 1885
Conocardium richmondense Foerste 1910
Conocardium rouxi Mansuy 1913
Conocardium securiforme Roemer 1855
Conocardium sowerbyi de Koninck 1876
Conocardium spinalatum Rowley 1900
Conocardium superstes Healey 1908
Conocardium tripartitum Branson 1942
Conocardium truncata Pohl 1929
Conocardium uralicum de Verneuil 1845
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Invalid names: Conocardium sumatrense Roemer 1880 [synonym]
Conocardium ventriculosum Branson 1942
Conocardium villmarense d’Archiac and de Verneuil 1842
Invalid names: Conocardium clipeoforme Wanner 1922 [nomen dubium]
G. †Leptoconocardium Hoare 2006
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G. †Minycardita Hoare and Plas 2003
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Minycardita sectilis Hoare and Plas 2003
G. †Pseudomulceodens Hoare 1990
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Superfm. †Eopterioidea Miller 1889
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Fm. †Eopteriidae Miller 1889
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G. †Eopteria Billings 1865
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Eopteria agustini Sánchez 2000
Eopteria aiteneria Popov et al. 2003
Eopteria alta Kobayashi 1933
Eopteria asiatica Kobayashi 1933
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Invalid names: Eopteria obsolata Kobayashi 1933 [synonym]
Eopteria conocardiformis Pojeta and Runnegar 1976
Eopteria crassa Thoral 1935
Eopteria flora Kobayashi 1933
Eopteria ornata Billings 1865
Eopteria richardsoni Billings 1865
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Invalid names: Eopteria typica Billings 1865 [replaced]
Eopteria struszi Pojeta et al. 1977
Eopteria trilobita Kobayashi 1934
Eopteria ventricosa Whitfield 1886
G. †Euchasma Billings 1865
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Euchasma blumenbachi Billings 1859
Euchasma caseyi Pojeta et al. 1977
Euchasma colliveri Cook and Camilleri 2001
Euchasma eopteriformis Kobayashi 1933
Euchasma jonesi Pojeta and Runnegar 1976
Euchasma multistriata Kobayashi 1933
Euchasma mytiliforme Pojeta and Runnegar 1976
Euchasma swarkoi Pojeta et al. 1977
Invalid names: Euchasmella Kobayashi 1933 [synonym]
G. †Pseudoeuchasma Kobayashi 1933
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Pseudoeuchasma typica Kobayashi 1933
G. †Talacastella Sanchez 1986
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Talacastella herrerai Sanchez 1986
G. †Wanwanella Kobayashi 1933
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Wanwanella striata Kobayashi 1933
Wanwanella trigonalis Kobayashi 1933
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Invalid names: Wanwanella tumida Kobayashi 1933 [synonym]
Wanwanella wanwanensis Kobayashi 1933
Invalid names: Wanwanoidea Kobayashi 1933 [synonym]
Superfm. †Hippocardioidea Pojeta and Runnegar 1976
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Fm. †Bransoniidae Pojeta and Runnegar 1976
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G. †Agidelia Mazaev 2023
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Agidelia magnifica Mazaev 2023
G. †Apotocardium Hoare et al. 2002
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Apotocardium conolatum Branson 1942
Apotocardium cordatum Hoare et al. 1982
Apotocardium lanterna Branson 1965
Apotocardium obliquum Meek and Worthen 1875
Apotocardium peculiare Girty 1910
Apotocardium plautum Hoare et al. 2002
Apotocardium polymitarium Hoare et al. 1982
Apotocardium pomachacanum Chronic 1949
Apotocardium snideri Morgan 1924
G. †Ashaconcha Mazaev 2023
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Ashaconcha rara Mazaev 2023
G. †Bransonia Pojeta and Runnegar 1976
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Bransonia australe M'Coy 1847
Bransonia projecta Waterhouse 1987
Bransonia robustum Fletcher 1943
Bransonia truncata Fletcher 1943
Bransonia wilsoni Pojeta and Runnegar 1976
G. †Diedrorynchus Hoare and Peck 2005
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Diedrorynchus conalatum Branson 1942
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Invalid names: Conocardium cuneatum Hall 1856 [replaced]
Diedrorynchus dictyum Hoare and Peck 2005
G. †Eusphairica Hoare 2000
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Eusphairica distubula Hoare 2000
G. †Hoarepora Mapes 2022
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Hoarepora capitanensis Vendrasco et al. 2010
Hoarepora parrishi Worthen 1890
Hoarepora prattenanum Hall 1856
Hoarepora tschernyschewi Licharew 1931
Hoarepora uralica Mazaev 2023
Invalid names: Oxyprora Hoare et al. 2002 [replaced]
G. †Kyoconocardium Hoare 2006
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G. †Mulceodens Pojeta and Runnegar 1976
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Mulceodens aequicostatus Phillips 1848
Mulceodens eboraceus Hall 1860
Mulceodens foxi Johnston and Chatterton 1983
Mulceodens jaanussoni Pojeta and Runnegar 1976
Mulceodens johnstoni Caldwell and Chatterton 1995
Mulceodens schneideri Johnston and Chatterton 1983
Mulceodens sibleyense La Rocque 1950
Mulceodens wilsoni Johnston and Chatterton 1983
G. †Pojetaconcha Waterhouse 1987
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Pojetaconcha alabamensis Pojeta and Runnegar 1976
Pojetaconcha antiquata Branson 1942
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Invalid names: Conocardium antiquum Owen 1852 [replaced]
Pojetaconcha beecheri Raymond 1905
Pojetaconcha chapronierei Pojeta et al. 1977
Pojetaconcha costulata Ebbestad et al. 2017
Pojetaconcha cressmani Pojeta and Runnegar 1976
Pojetaconcha limatula Bradley 1930
Pojetaconcha oweni Kindle 1903
Pojetaconcha pygmaea Hisinger 1837
Pojetaconcha townleyi Pojeta and Gilbert-Tomlinson 1977
G. †Pseudoconocardium Zavodowsky 1960
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Pseudoconocardium licharewi Zavodowsky 1960
Fm. †Hippocardiidae Pojeta and Runnegar 1976
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Subfm. †Babinicardiinae Rogalla and Amler 2006
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G. †Babinicardia Rogalla and Amler 2006
G. †Barrandeicardia Rogalla and Amler 2006
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Barrandeicardia abrupta Barrande 1881
G. †Bieberiana Rogalla and Amler 2006
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Bieberiana gowandense Clarke 1904
Bieberiana pugnans Whidborne 1889
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Invalid names: Bieberiana confusa Beushausen 1895 [synonym], Bieberiana eifeliense Beushausen 1895 [synonym]
Subfm. †Bohemicardiinae Rogalla and Amler 2006
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G. †Bohemicardia Rogalla and Amler 2006
G. †Cartericardia Rogalla and Amler 2006
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Cartericardia artifex Barrande 1881
Cartericardia costatum Cresswell 1893
Cartericardia dubia Williams and Breger 1916
G. †Fraipontia Rogalla and Amler 2006
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Fraipontia alatum de Koninck 1885
Fraipontia bella Cooper and Cloud 1938
Fraipontia nodulosa M'Coy 1844
Subfm. †Goticardiinae Rogalla and Amler 2006
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G. †Goticardia Rogalla and Amler 2006
G. †Hippocardia Brown 1843
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Hippocardia alborza Hoare and Aghababula 2001
Hippocardia angelicum Talent and Philip 1956
Hippocardia bellulus Barrande 1881
Hippocardia crenata Steininger 1853
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Invalid names: Hippocardia zeileri Beushausen 1895 [synonym]
Hippocardia cumberlandiae Prosser and Kindle 1913
Hippocardia curta Hoare 1989
Hippocardia herculea de Koninck 1885
Hippocardia herricki Hoare 1990
Hippocardia hibernica Sowerby 1815
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Invalid names: Conocardium truncatum de Koninck 1885 [synonym], Hippocardia trigonalis Phillips 1836 [synonym]
Hippocardia hydei Hoare 1990
Hippocardia hystericum von Schlotheim 1820
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Invalid names: Hippocardia marsi Oehlert 1887 [synonym]
Hippocardia kermani Hoare and Aghababula 2001
Hippocardia konincki Baily 1871
Hippocardia monroica Sherzer and Grabau 1910
Hippocardia mundulum Fletcher 1943
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Invalid names: Hippocardia abscissum Fletcher 1943 [synonym], Hippocardia laseroni Fletcher 1943 [synonym]
Hippocardia niagarense Winchell and Marcy 1866
Hippocardia obesum de Koninck 1885
Hippocardia ohioense Meek 1871
Hippocardia ornata Winchell and Marcy 1866
Hippocardia pristis M'Coy 1844
Hippocardia procumbens Sandberger and Sandberger 1855
Hippocardia pulchellum White and Whitfield 1862
Hippocardia reflexa Zeiler 1857
Hippocardia rhenana Beushausen 1895
Hippocardia tournaisense Branson 1942
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Invalid names: Conocardium antiquum de Koninck 1885 [replaced]
Hippocardia truncata Pohl 1929
Invalid names: Pleurorhynchus Phillips 1836 [objective synonym]
G. †Hoareicardia Rogalla and Amler 2006
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Hoareicardia cunea Conrad 1840
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Invalid names: Conocardium nasutum Hall 1883 [synonym], Hippocardia attenuata Conrad 1842 [synonym], Hippocardia bocksbergense Halfar 1882 [synonym], Hippocardia concinnum Hall 1883 [synonym], Hippocardia cuneatum Römer 1850 [synonym], Hippocardia normale Hall 1883 [synonym], Pleurorhynchus trigonalis Hall 1843 [replaced]
G. †Pojetorum Rogalla and Amler 2006
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Pojetorum ornatissimum Barrande 1881
Pojetorum protectum Barrande 1881
Fm. †Pseudobigaleaidae Hoare et al. 2002
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G. †Baiosoma Hoare et al. 2002
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Baiosoma batilia Hoare et al. 1982
Baiosoma cucullata Hoare et al. 1988
Baiosoma pala Hoare et al. 1988
Invalid names: Exalloschema Hoare et al. 2002 [synonym]
Subfm. †Bigaleinae Rogalla and Amler 2006
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G. †Bigalea Pojeta and Runnegar 1976
G. †Bitrigonocardia Rogalla and Amler 2006
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Bitrigonocardia diptera Salter 1851
Bitrigonocardia dorsata Barrande 1881
Bitrigonocardia elegantula Billings 1866
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Invalid names: Bitrigonocardia lindstromi Isberg 1934 [synonym]
Bitrigonocardia isbergi Branson 1942
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Invalid names: Conocardium pygmaeum Isberg 1934 [replaced]
Subfm. †Iapetocardiinae Rogalla and Amler 2006
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G. †Avalanchia Caldwell and Chatterton 1995
G. †Cassowarioides Johnston and Chatterton 1983
G. †Iapetocardia Rogalla and Amler 2006
Subfm. †Pseudobigaleainae Hoare et al. 2002
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G. †Hadropipetta Hoare et al. 2002
G. †Kandosoconcha Cook and Camilleri 2001
G. †Nehedia Johnston and Chatterton 1983
G. †Pseudobigalea Hoare et al. 1982
G. †Redstonia Caldwell and Chatterton 1995
Invalid names: Bitrigonocardiinae Rogalla and Amler 2006 [empty]
Invalid names: Conocardiacea Miller 1889 [empty]
Or. †Ribeirioida Kobayashi 1933
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Superfm. †Ischyrinioidea Kobayashi 1933
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Fm. †Ischyriniidae Kobayashi 1933
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G. †Anisotechnophorus Pojeta and Runnegar 1976
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G. †Beukeria Ebbestad et al. 2017
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Beukeria plicata Ebbestad et al. 2017
G. †Eoischyrinia Kobayashi 1933
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Eoischyrinia billingsi Kobayashi 1933
G. †Ischyrinia Billings 1866
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Ischyrinia norvegica Soot-Ryen 1960
Ischyrinia viator Ebbestad et al. 2017
Ischyrinia winchelli Billings 1866
G. †Pauropegma Pojeta et al. 1977
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Pauropegma jelli Pojeta and Runnegar 1976
G. †Pseudotechnophorus Kobayashi 1933
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Pseudotechnophorus typicalis Kobayashi 1933
G. †Tolmachovia Howell and Kobayashi 1936
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Tolmachovia andina Harrington 1938
Tolmachovia babini Gutiérrez-Marco 1997
Tolmachovia belfordi Pojeta et al. 1977
Tolmachovia concentrica Howell and Kobayashi 1936
Tolmachovia corbetti Pojeta and Gilbert-Tomlinson 1977
Tolmachovia crassa Thoral 1935
Tolmachovia sublirata Ebbestad et al. 2017
Superfm. †Ribeirioidea Kobayashi 1933
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+
Jinonicella kolebabai Pokorny 1978
G. †Rhytiodentalium Pojeta and Runnegar 1979
Fm. †Ribeiriidae Kobayashi 1933
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G. †Apoptopegma Pojeta et al. 1977
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Apoptopegma craddocki Webers et al. 1992
Apoptopegma dickinsi Pojeta et al. 1977
Apoptopegma joyceae Smith et al. 2020
G. †Cymatopegma Pojeta et al. 1977
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Cymatopegma semiplicatum Pojeta et al. 1977
G. †Oepikila Pojeta and Runnegar 1976
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Oepikila cambrica Runnegar and Pojeta 1974
Invalid names: Opikella Runnegar and Pojeta 1974 [replaced]
G. †Pinnocaris Etheridge 1878
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Pinnocaris americana Pojeta and Runnegar 1976
Pinnocaris curvata Reed 1907
Pinnocaris lapworthi Etheridge 1878
Pinnocaris robusta Pojeta et al. 1977
Pinnocaris wellsi Pojeta et al. 1977
G. †Ptychopegma Pojeta et al. 1977
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Ptychopegma burgeri Pojeta et al. 1977
G. †Ribeirina Billings 1865
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Ribeirina longiscula Billings 1865
G. †Wanwania Kobayashi 1933
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Wanwania ambonychiformis Kobayashi 1933
Wanwania cambrica Kobayashi 1933
Wanwania compressa Kobayashi 1933
Wanwania drucei Pojeta et al. 1977
Fm. †Technophoridae Miller 1889
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G. †Kimopegma Pojeta et al. 1977
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Kimopegma huckitta Pojeta et al. 1977
Kimopegma jonesi Pojeta et al. 1977
Kimopegma pinnatum Pojeta et al. 1977
G. †Myocaris Salter 1864
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Myocaris lutraria Salter 1864
Myocaris plicata Billings 1866
Myocaris sharpei Perner 1903
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Invalid names: Technophorus stoermeri Soot-Ryen 1960 [synonym]
G. †Pleuropegma Pojeta et al. 1977
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Pleuropegma plicatum Pojeta et al. 1977
G. †Ribeiria Sharpe 1853
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Ribeiria apusoides Schubert and Waagen 1904
Ribeiria australiensis Pojeta and Runnegar 1976
Ribeiria bassleri Kobayashi 1933
Ribeiria calcifera Billings 1865
Ribeiria complanata Salter 1859
Ribeiria compressa Whitfield 1886
Ribeiria coreanica Kobayashi 1934
Ribeiria csiro Pojeta et al. 1977
Ribeiria francae Sánchez 2000
Ribeiria johni Polechová 2015
Ribeiria lucan Walcott 1924
Ribeiria manchurica Kobayashi 1933
Ribeiria parva Collie 1903
Ribeiria personata Thoral 1935
Ribeiria pholadiformis Sharpe 1853
Ribeiria pojetai Sánchez 2005
Ribeiria runnegari Pojeta et al. 1977
Ribeiria spinosa Babin and Branisa 1987
Ribeiria taylori Pojeta and Runnegar 1976
Invalid names: Ozomia Walcott 1924 [synonym]
G. †Technophorus Miller 1889
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Technophorus cancellatus Ruedemann 1901
Technophorus cincinnatiense Miller and Faber 1894
Technophorus divaricatus Ulrich 1892
Technophorus faberi Miller 1889
Technophorus kempae Pojeta et al. 1977
Technophorus milleri Pojeta and Runnegar 1976
Technophorus minutus Zhang 1984
Technophorus nicolli Pojeta et al. 1977
Technophorus planei Pojeta et al. 1977
Technophorus subacutus Ulrich 1892
Technophorus walteri Pojeta et al. 1977
Invalid names: Ribeirella Perner 1903 [synonym]
Invalid names: Ischyrinoida Pojeta and Runnegar 1976 [synonym]
Or. †Tuarangiida MacKinnon 1982
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Fm. †Pseudomyonidae Hinz-Schallreuter 2000
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G. †Pseudomyona Runnegar 1983
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Pseudomyona queenslandica Runnegar and Jell 1976
Fm. †Tuarangiidae Mackinnon 1982
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G. †Tuarangia MacKinnon 1982
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Tuarangia gravgaerdensis Berg-Madsen 1987
Tuarangia paparua MacKinnon 1982
Invalid names: Tuarangoidea MacKinnon 1982 [empty]
Invalid names: Euchasmidae Starobogatov 1977 [empty], Ozomiidae Starobogatov 1977 [empty], Pseudotechnophoridae Starobogatov 1977 [empty], Tolmachoviidae Starobogatov 1977 [empty], Wanwaniidae Scarlato and Starobogatov 1983 [empty]
Diagnosis
ReferenceDiagnosis
J., Jr. Pojeta et al. 1972The new class Rostroconchia Pojeta, Runnegar, Morris, and Newell may be diagnosed as follows: mollusks having an uncoiled univalved larval shell; an untorted bivalved adult shell; no hinge teeth, ligament, or adductor muscles; and a fused, almost inflexible, hinge; Early Ordovician-Late Permian (4, 14, 19).
Measurements
No measurements are available
Composition: aragonitec
Locomotion: stationaryc
Life habit: semi-infaunalc
Diet: suspension feederc
Vision: blindc
Comments: LIFE HISTORY: Semi-infaunal, non-motile unattached, suspension feeding according to Bambach et al (2007). ; some taxa may have been detritus-feedingc
Created: 2004-02-29 10:30:34
Modified: 2022-05-13 12:06:45
Source: c = class
Reference: Kiessling 2004

Age range

Maximum range based only on fossils: base of the Tommotian to the top of the Changhsingian or 525.50000 to 252.17000 Ma
Minimum age of oldest fossil (stem group age): 516.0 Ma

Collections (738 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Cambrian538.8 - 485.4USA (New York) Ribeirioida indet. (254)
Tommotian - Atdabanian525.5 - 516.0Canada (Nova Scotia) Ischyrinia sp. (6897)
Solvan510.2 - 504.5Russian Federation (Siberia) Pseudomyona queenslandica (49431)
Floran504.5 - 503.0Australia (Queensland) Myona queenslandica (56809 56810) Pseudomyona queenslandica (93409)
Menevian504.5 - 499.5Denmark (Bornholm) Tuarangia gravgaerdensis (50768)
Marjumian504.5 - 497.0Greenland Pseudomyona groenlandica (219689) Pseudomyona queenslandica (219688)
Boomerangian500.5 - 499.0New Zealand (Nelson) Tuarangia paparua (7897 49850)
Mindyallan499.0 - 497.0Australia (Queensland) Euchasma sp. B (77515) Ribeiria australiensis (77516)
Mindyallan499.0 - 497.0Australia (Northern Territory) Apoptopegma joyceae (208578 208579)
Taoyuanian498.5 - 485.4China (Liaoning) Wanwania cambrica (157044)
Dresbachian497.0 - 485.4Antarctica (Elsemere Island) Apoptopegma craddocki (99794) Wanwania sp. A, Apoptopegma craddocki, Ribeiria australiensis (99793)
Furongian497.0 - 485.4USA (New York) Ribeiria nuculitiformis (167886)
Furongian497.0 - 485.4Argentina (Jujuy) Ribeiria francae (167761)
Furongian - Skullrockian497.0 - 482.3USA (New York) Ribeiria nuculitiformis (85121)
Sunwaptan493.5 - 487.5USA (New York) Ribeiria sp. indet. (85187)
Payntonian489.5 - 488.3Australia (Northern Territory) Cymatopegma semiplicatum (77415 77427 77436 77437 77529 77589 77603 77609 77610 77614 77615 77645) Cymatopegma semiplicatum, Kimopegma pinnatum (77438 77440) Cymatopegma semiplicatum, Kimopegma pinnatum, Pinnocaris robusta, Pinnocaris wellsi, Ribeiria jonesi (77416) Cymatopegma semiplicatum, Pinnocaris robusta (77420) Cymatopegma semiplicatum, Ribeiria huckitta (77421 77530 77618) Cymatopegma semiplicatum, Ribeiria jonesi (77435 77525) Pinnocaris robusta (77430 77434) Pinnocaris sp. B, Cymatopegma semiplicatum (77649) Pleuropegma plicatum, Oepikila cambrica (77426) Ribeiria huckitta (77413 77439 77531 77606 77607 77621 77651) Ribeiria runnegari, Technophorus kempae, Tolmachovia belfordi (77655) Technophorus kempae (77587) Technophorus kempae, Tolmachovia belfordi (77414)
Datsonian488.3 - 485.4Australia (Queensland) Apoptopegma dickinsi, Bransonia chapronierei, Eopteria struszi (77481) Eopteria struszi (77447 77460 77483) Eopteria struszi, Euchasma caseyi (77446 77449 77462 77463 77464 77465 77520) Eopteria struszi, Euchasma caseyi, Wanwania drucei (77461) Eopteria struszi, Wanwania drucei (77484) Euchasma caseyi, Ptychopegma burgeri, Wanwania drucei (77482) Pauropegma jelli (77470) Ptychopegma burgeri (77448)
Datsonian488.3 - 485.4Australia (Northern Territory) Technophorus kempae (77616 77617 77620) Technophorus kempae, Tolmachovia belfordi (77619)
Skullrockian487.5 - 482.3Canada (Alberta) Ozomia lucan (157027)
Cressagian486.5 - 482.0South Korea (Hwanghae-namdo) Eoischyrinia billingsi, Eopteria alta, Eopteria asiatica, Eopteria flora, Euchasma eopteriformis, Euchasmella multistriata, Pseudoeuchasma typica, Pseudotechnophorus typicalis, Ribeiria bassleri, Ribeiria manchurica, Wanwanella striata, Wanwanella wanwanensis, Wanwania ambonychiformis, Wanwania compressa, Wanwanoidea trigonalis, Eopteria obsolata, Wanwanella tumida (39398)