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Derbyia
Taxonomy
Derbyia was named by Waagen (1884) [Sepkoski's age data: C Serp-l P Dora Sepkoski's reference number: 7,41,400,1142]. It is the type genus of Derbyiidae.
It was assigned to Articulata by Girty (1915); to Strophomenida by Sepkoski (2002); and to Derbyiidae by Cooper and Grant (1974), Williams et al. (2000) and Shen et al. (2003).
It was assigned to Articulata by Girty (1915); to Strophomenida by Sepkoski (2002); and to Derbyiidae by Cooper and Grant (1974), Williams et al. (2000) and Shen et al. (2003).
Species
Derbya bennetti, Derbya robusta, D. (Plicatoderbyia) aemula, D. achengensis, D. acutangula (syn. D. guangdongensis, Magniderbyia lata, D. mucronata), D. acutiplicata, D. altestriata, D. arellanoi, D. arizonensis (syn. D. regularis), D. auriplexa, D. baroghilensis, D. bella, D. bilobata, D. buchi (syn. Productus andii), D. buriensis, D. carteri, D. cincinnata, D. complicata, D. crassa (syn. Orthisina umbraculum), D. crenulata, D. cymbula, D. daliangensis, D. deltauriculata, D. dirata, D. diversa, D. dorsoplana, D. dorsosulcata, D. duomaensis, D. dupliciseptata, D. elevata, D. elongata, D. expansa, D. exserta, D. filosa, D. gigantea, D. grandis, D. guidingensis, D. hardmani, D. haroubi, D. hemisphaerica, D. hooserensis, D. informis, D. laqueata, D. lotanggangensis, D. magnus, D. metzi, D. mongolica, D. multicostellatus, D. mutabilis, D. nasuta, D. nigpi, D. nipponica, D. otoeis, D. pannucia, D. pannuciella, D. pararegularis, D. parasitica, D. perplexus, D. plicatella, D. postplicatella, D. profunda, D. regis, D. regularis (syn. Orthotetes fascicostata), D. rudicula, D. sakamotozawensis, D. schellwieni (syn. D. disalata, D. yangtzeensis), D. scitula, D. scobina, D. senbaensis, D. simplicis, D. speciosa, D. striolata, D. strophomenoidea, D. subaurita, D. subsinuata, D. sulca, D. sulcata, D. sultanensis, D. texta, D. vercherei, D. waageni, D. wabaunseensis, D. yeerqiangensis, D. yongjiensis, D. yukisawensis, Pseudoderbyia netschajewi
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1884 | Derbyia Waagen p. 591 figs. 1-2, 4, Pl. 53 |
1915 | Derbya Girty p. 54 |
1934 | Pseudoderbyia Likharev p. 211 |
1937 | Plicatoderbyia Thomas p. 14 |
1944 | Derbyia (Plicatoderbyia) Reed p. 31 |
1974 | Derbyia Cooper and Grant p. 289 |
1974 | Wardakia Termier et al. p. 94 |
1983 | Paraderbyia Sun p. 120 |
2000 | Derbyia Williams et al. p. 657 |
2002 | Derbyia Sepkoski |
2002 | Paraderbyia Sepkoski |
2002 | Plicatoderbya Sepkoski |
2002 | Pseudoderbyia Sepkoski |
2002 | Wardakia Sepkoski |
2003 | Derbyia Shen et al. p. 60 |
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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.
G. †Derbyia Waagen 1884
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†Derbya bennetti Hall and Clarke 1892
†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 auriplexa Hoover 1981
†Derbyia baroghilensis Reed 1925
†Derbyia bella Cooper and Grant 1974
†Derbyia bilobata Jin and Shi 1985
†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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†Orthisina umbraculum multistriata Meek and Hayden 1859
Invalid names: Orthisina umbraculum Swallow 1858 [synonym]
†Derbyia crenulata Girty 1908
†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 informis Cooper and Grant 1974
†Derbyia laqueata Cooper and Grant 1974
†Derbyia lotanggangensis Liang 1982
†Derbyia magnus Branson 1930
†Derbyia metzi Gauri 1965
†Derbyia mongolica Grabau 1931
†Derbyia multicostellatus Gauri 1965
†Derbyia mutabilis Liao 1980
†Derbyia nasuta Girty 1908
†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 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]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 161 | 15.8 | 2.20 | 63.0 | 16.2 | 13.9 | |
valve height | 4 | 10.4 | 3.49 | 35.5 | 11.9 | 14.9 |
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Source: c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004 |
Age range: base of the Ivorian to the top of the Griesbachian or 353.80000 to 251.30000 Ma
Collections (1390 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Famennian - Tournaisian | United Kingdom (England) | D. sp. (38440) | |
Tournaisian | India | D. senilis (230343) D. sp. (230638) | |
Mississippian | USA (Alaska) | Derbya sp. (112164 112176 112177) | |
Carboniferous - Chesterian | USA (Utah) | D. sp. (13363) | |
Carboniferous | USA (Oklahoma) | D. sp. (158 172) | |
Carboniferous | USA (Texas) | D. bennetti (1119) | |
Ivorian | United Kingdom (England) | Derbya senilis (8175) | |
Visean | Iran | D. sp. (90015) | |
Visean - Serpukhovian | China (Qinghai) | D. sp. (68635) | |
Arundian | United Kingdom | D. sp. (34568) | |
Youngest occurrences |
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Time interval | Ma | Country or state | PBDB collection number |
Changhsingian | China (Hunan) | D. sp. 2, D. regularis (138548) | |
Changhsingian | China (Zhejiang) | D. pannuciella (50028) D. regularis (105213 105215) | |
Changhsingian | Pakistan (Northwest Frontier) | D. plicatella (41557 41558) | |
Changhsingian | China (Fujian) | D. sp. (220221) | |
Changhsingian | China (Xizang) | Derbya guidingensis (187558) Orthotetes guppyi (110495) | |
Changhsingian | China (Sichuan) | D. disalata (156811) D. mucronata, D. acutangula (95285) | |
Changhsingian | Pakistan (Punjab) | D. sp. (41562 41564) | |
Changhsingian - Griesbachian | India (Kashmir) | D. sp. (48913 50044) | |
Griesbachian | China (Zhejiang) | D. sp. (43788) | |
Griesbachian | India (Kashmir) | D. sp. (214661) |