Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tropidelasma
Taxonomy
Tropidelasma was named by Cooper and Grant (1969) [Sepkoski's age data: P Asse-l P Guad-u Sepkoski's reference number: 7]. Its type is Tropidelasma culmenatum.
It was assigned to Streptorhynchinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Streptorhynchinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
Erismatina cooperi, T. anthicum, T. corniculum, T. costellatum, T. culmenatum (type species), T. curtum, T. daijiagouensis, T. elongata, T. furcillatum, T. gregarium, T. perattenuatum, T. ptomatis, T. pygmaeum, T. rhamphodes, T. robertsi, T. strobilum, T. triangularis, T. undulatum, T. yamasugensis, T. zhongliangshanensis
Synonyms
|
Synonymy list
Year | Name and author |
---|---|
1969 | Tropidelasma Cooper and Grant p. 3 |
1983 | Erismatina Waterhouse p. 117 |
1985 | Parageyerella He and Zhu p. 201 |
2000 | Tropidelasma Williams et al. |
2002 | Erismatina Sepkoski |
2002 | Parageyerella Sepkoski |
2002 | Tropidelasma 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. †Tropidelasma Cooper and Grant 1969
show all | hide all
†Tropidelasma anthicum Cooper and Grant 1974
†Tropidelasma corniculum Cooper and Grant 1974
†Tropidelasma costellatum Cooper and Grant 1974
†Tropidelasma culmenatum Cooper and Grant 1969
†Tropidelasma curtum Cooper and Grant 1974
†Tropidelasma daijiagouensis He and Zhu 1985
†Tropidelasma elongata Chen and Liao 2007
†Tropidelasma furcillatum Cooper and Grant 1974
†Tropidelasma gregarium Girty 1908
†Tropidelasma perattenuatum Girty 1908
†Tropidelasma ptomatis Grant 1995
†Tropidelasma pygmaeum Girty 1908
†Tropidelasma rhamphodes Cooper and Grant 1974
†Tropidelasma robertsi Cooper and Grant 1974
†Tropidelasma strobilum Cooper and Grant 1974
†Tropidelasma triangularis Shen and Shi 2007
†Tropidelasma undulatum King 1931
†Tropidelasma yamasugensis Tazawa 2010
†Tropidelasma zhongliangshanensis He and Zhu 1985
Invalid names: Erismatina Waterhouse 1983 [synonym], Parageyerella He and Zhu 1985 [synonym]
Diagnosis
No diagnoses are available