Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Semihaswellia
Taxonomy
Semihaswellia was named by Canu and Bassler (1917) [Sepkoski's age data: T Eo-m-u R Sepkoski's reference number: 1260]. It is extant.
It was assigned to Gigantoporidae by Bassler (1953) and Cheetham (1962); and to Cheilostomata by Sepkoski (2002).
It was assigned to Gigantoporidae by Bassler (1953) and Cheetham (1962); and to Cheilostomata by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
|
Synonymy list
Year | Name and author |
---|---|
1917 | Semihaswellia Canu and Bassler |
1917 | Tremotoichos Canu and Bassler p. 59 |
1953 | Semihaswellia Bassler p. G199 |
1953 | Tremotoichos Bassler p. G199 |
1962 | Semihaswellia Cheetham p. 328 |
2002 | Semihaswellia Sepkoski |
2002 | Tremotoichos Sepkoski |
2007 | Tremotoichos Guha and Gopikrishna |
2013 | Tremotoichos Guha |
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. Semihaswellia Canu and Bassler 1917
show all | hide all
†Semihaswellia rectifurcata Canu and Bassler 1917
Invalid names: Tremotoichos Canu and Bassler 1917 [synonym]
Diagnosis
No diagnoses are available