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Echyrosia
Taxonomy
Echyrosia was named by Cooper (1989) [Sepkoski's age data: J Bajo-u Sepkoski's reference number: 877]. It is not extant. Its type is Echyrosia costata.
It was assigned to Tetrarhynchiinae by Williams et al. (2002); and to Rhynchonellida by Sepkoski (2002).
It was assigned to Tetrarhynchiinae by Williams et al. (2002); and to Rhynchonellida by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1989 | Echyrosia Cooper |
2002 | Echyrosia Sepkoski |
2002 | Echyrosia Williams et al. p. 1351 |
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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. †Echyrosia Cooper 1989
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†Echyrosia circularis Cooper 1989
†Echyrosia costata Cooper 1989
†Echyrosia expansa Cooper 1989
Diagnosis
No diagnoses are available