| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Calyptolepta
Taxonomy
Calyptolepta was named by Neuman (1976) [Sepkoski's age data: O Aren-u O Llvi Sepkoski's reference number: 412]. Its type is Calyptolepta diaphragma.
It was assigned to Leptellininae by Neuman (1976); to Grorudiidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Leptellininae by Neuman (1976); to Grorudiidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
C. diaphragma (type species), C. huanghuaensis
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Calyptolepta Neuman pp. 35 - 36 |
| 2000 | Calyptolepta Williams et al. p. 328 |
| 2002 | Calyptolepta Sepkoski |
| 2002 | Yuanbaella Sepkoski |
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. †Calyptolepta Neuman 1976
show all | hide all
†Calyptolepta diaphragma Neuman 1976
†Calyptolepta huanghuaensis Chang 1983
Invalid names: Yuanbaella [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. B. Neuman 1976 | Wide, concavoconvex, parvicostellate shells, the dorsal valve having a chilidium and a bladelike cardinal process, the vent ral valve having an apically perforate pseudodeltidium; platform present on both valves, that of the dorsal va lve having a high median crest, that of the ventral valve having a low ridge between its deeply impressed inner margins. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Darriwilian to the top of the Kunda or 467.30000 to 464.30000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kunda | Estonia (Ida-Virumaa) | C. sp. (191324) | |
| Kunda | Russian Federation (St. Petersburg) | C. sp. (191334 191351) | |
| Abereiddian | Kazakhstan | C. sp. (165556 165596) | |
| Early/Lower Llanvirn | Norway | C. diaphragma (185943) | |
| Darriwilian | China (Yunnan) | C. huanghuaensis (54187) | |
| Darriwilian | Canada (Newfoundland) | C. diaphragma (185947 185949 185950) | |
| Darriwilian | Iran | C. sp. (186094) | |
| Darriwilian | China (Sichuan) | C. chengkouensis (64227 64229 64778 203294) |