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Pachyglossella

Lingulata - Lingulida - Obolidae

Synonyms
Synonymy list
YearName and author
1956Pachyglossa Cooper pp. 223 - 224
1960Pachyglossella Cooper p. 601
1977Pachyglossella Mitchell
2000Pachyglossella Williams et al. p. 57
2002Pachyglossella Sepkoski, Jr.
2011Pachyglossella Hansen and Holmer

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumLinguliformeaWilliams et al. 1996
classLingulataGorjansky and Popov 1985
orderLingulidaWaagen 1885
superfamilyLinguloideaMenke 1828
familyObolidaeKing 1846
subfamilyGlossellinae
genusPachyglossellaCooper 1960

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.

Diagnosis
ReferenceDiagnosis
G. A. Cooper 1956 (Pachyglossa)Elongate elliptical in outline, strongly biconvex but the brachial valve generally having the greater convexity. Shell usually thick. Surface marked only by growth lines and concentric wrinkles.

Interior of pedicle valve with posterior structure like that of Lingulella with a deep pedicle groove margined by concentrically marked thickenings. Posterior margin of brachial valve slightly thickened and without a posterior plate.