| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cryptacanthia
Taxonomy
Cryptacanthia was named by White and St John (1867) [Sepkoski's age data: C Mosc P Tatr Sepkoski's reference number: 1,2,538,1066]. Its type is Waldheimia compacta. It is the type genus of Cryptacanthiinae.
It was assigned to Terebratulida by Sepkoski (2002); and to Cryptacanthiinae by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Cryptacanthiinae by Williams et al. (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1867 | Cryptacanthia White and St John |
| 2002 | Cryptacanthia Sepkoski |
| 2006 | Cryptacanthia Williams et al. p. 2027 |
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. †Cryptacanthia White and St John 1867
show all | hide all
†Cryptacanthia compacta White and St John 1867
†Cryptacanthia glabra Cooper and Grant 1976
†Cryptacanthia indica Reed 1944
†Cryptacanthia permiana Licharew 1936
†Cryptacanthia timanica Licharew 1936
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Williams et al. 2006 | Small, biconvex to concavoconvex, unisulcate; median septum usually absent or present apically, hinge plate concave to nearly flat, perforate; loop with hoodlike ascending lamellae and transverse band, descending lamellae becoming independent very late, anterior extremities of loop spinose. |