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Dielasma

Rhynchonellata - Terebratulida - Dielasmatidae

Taxonomy
Dielasma was named by King (1856) [Sepkoski's age data: C Tour-l Tr Anis-l Sepkoski's reference number: 2,42,955]. It is not extant. It is the type genus of Dielasmatinae.

It was reranked as Terebratula (Dielasma) by Schellwien (1900).

It was assigned to Terebratula by Schellwien (1900); to Terebratulida by Sepkoski (2002); and to Dielasmatinae by Williams et al. (2006).

Synonymy list
YearName and author
1856Dielasma King
1900Terebratula (Dielasma) Schellwien p. 105
2002Dielasma Sepkoski
2006Dielasma Williams et al. p. 2029

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderTerebratulida
suborderTerebratulidina
superfamilyDielasmatoideaSchuchert 1913
familyDielasmatidaeSchuchert 1913
subfamilyDielasmatinaeSchuchert 1913
genusDielasmaKing 1856

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. †Dielasma King 1856
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Dielasma adamanteum Cooper and Grant 1976
Dielasma ambiense Reed 1944
Dielasma antecedens Grabau 1936
Dielasma anteplicatum Grabau 1931
Dielasma anterolatum Cooper and Grant 1976
Dielasma bakhense Reed 1944
Dielasma bellulum Cooper and Grant 1976
Dielasma bovidens Morton 1836
Dielasma brevicostatum Cooper 1957
Dielasma carinthiacum Schellwien 1892
Dielasma chapini Smith 1927
Dielasma compactum Cooper and Grant 1976
Dielasma complanatus Tong 1978
Dielasma convexa Zavodovsky 1959
Dielasma cordatum Girty 1908
Dielasma curvatum Tschernyschew 1902
Dielasma dadanense Reed 1936
Dielasma diabloense Stehli 1954
Dielasma dieneri Grabau and Yoh 1928
Dielasma dubium Tschernyschew 1902
Dielasma einori Zavodovsky 1958
Dielasma ellipsoideum Cooper and Grant 1976
Dielasma ellipticum Netschajew 1894
Dielasma elongatum von Schlotheim 1816
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Invalid names: Terebratulites complanatus von Schlotheim 1816 [synonym], Terebratulites latus von Schlotheim 1816 [synonym], Terebratulites sufflatus von Schlotheim 1816 [synonym]
Dielasma emarginatum Cooper and Grant 1976
Dielasma expansum Cooper and Grant 1976
Dielasma fabiforme Cooper and Grant 1976
Dielasma floresi Cooper 1953
Dielasma giganteum Tschernyschew 1902
Dielasma gillingense Davidson 1857
Dielasma glabrum Tong 1978
Dielasma grabaui Fantini Sestini 1965
Dielasma gracile Cooper and Grant 1976
Dielasma grandi Mansuy 1912
Dielasma guttula Waagen 1882
Dielasma hessense Cooper and Grant 1976
Dielasma himalayana Bittner 1899
Dielasma indentum Grabau 1936
Dielasma itaitubense Derby 1874
Dielasma jisuense Grabau 1931
Dielasma kirillowense Licharew 1913
Dielasma labiatum Cooper and Grant 1976
Dielasma liardensis Whiteaves 1889
Dielasma ligonorum Cooper and Grant 1976
Dielasma longisulcatum Cooper and Grant 1976
Dielasma magniforaminiferum Cooper and Grant 1976
Dielasma mapingense Grabau 1936
Dielasma mapingensis Grabau 1936
Dielasma microrhynchum Cooper and Grant 1976
Dielasma minor Waagen 1882
Dielasma moelleri Tschernyschew 1902
Dielasma nexile Reed 1944
Dielasma obesum Cooper and Grant 1976
Dielasma orientalis Grabau 1931
Dielasma ovoidale Reed 1944
Dielasma parmularis Jin and Fang 1985
Dielasma perangustum Reed 1944
Dielasma perplexum Cooper and Grant 1976
Dielasma phosphoriense Branson 1930
Dielasma pictile Cooper and Grant 1976
Dielasma planidorsatum Cooper and Grant 1976
Dielasma plica Kutorga 1842
Dielasma prolongatum Girty 1908
Dielasma purdoni Reed 1944
Dielasma pygmaeum Cooper and Grant 1976
Dielasma radiatum Termier et al. 1974
Dielasma rectimarginatum Cooper 1957
Dielasma redux Reed 1944
Dielasma rigbyi Cooper and Grant 1976
Dielasma robustum Smirnova 2004
Dielasma rotundum Chronic 1949
Dielasma scitulum Chronic 1949
Dielasma shafterense King 1931
Dielasma spatulatum Girty 1908
Dielasma sphena Hu 1990
Dielasma stoschensis Dunbar 1955
Dielasma subcirculare Cooper and Grant 1976
Dielasma subcylindricum Cooper and Grant 1976
Dielasma subelongatum Smirnova 2007
Dielasma subelongatum Grabau 1934
Dielasma sulcatum Girty 1908
Dielasma sultanense Reed 1944
Dielasma supracarbonicum Tschernyschew 1902
Dielasma toulai Schellwien 1892
Dielasma trimuense Reed 1944
Dielasma truncatum Cooper 1957
Dielasma truncatum Waagen 1882
Dielasma uniplicatum Cooper and Grant 1976
Dielasma vesiculare de Koninck 1851
Dielasma vicinale Reed 1944
Dielasma virgoides M'Coy 1844
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Invalid names: Dielasma hastatum Sowerby 1824 [synonym]
Dielasma zebratum Cooper and Grant 1976
Dielasma zhijinense Liao 1980
Diagnosis
No diagnoses are available