Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Pachyglossella was named by Cooper (1960). Its type is Pachyglossa dorsiconvexa.
It was assigned to Lingulida by Sepkoski (2002); and to Glossellinae by Mitchell (1977), Williams et al. (2000) and Hansen and Holmer (2011).
It was assigned to Lingulida by Sepkoski (2002); and to Glossellinae by Mitchell (1977), Williams et al. (2000) and Hansen and Holmer (2011).
Species
Synonyms
|
Synonymy list
Year | Name and author |
---|---|
1956 | Pachyglossa Cooper pp. 223 - 224 |
1960 | Pachyglossella Cooper p. 601 |
1977 | Pachyglossella Mitchell |
2000 | Pachyglossella Williams et al. p. 57 |
2002 | Pachyglossella Sepkoski |
2011 | Pachyglossella Hansen and Holmer |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. †Pachyglossella Cooper 1960
show all | hide all
†Pachyglossella dorsiconvexa Cooper 1956
Invalid names: Pachyglossa Cooper 1956 [replaced]
Diagnosis
Reference | Diagnosis | |
---|---|---|
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. |