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Heterorthis
Taxonomy
Heterorthis was named as a genus. It is not extant. It is the type genus of Heterorthidae.
It was reranked as Orthis (Heterorthis) by Reed (1917).
It was assigned to Orthis by Reed (1917); to Heterorthidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
It was reranked as Orthis (Heterorthis) by Reed (1917).
It was assigned to Orthis by Reed (1917); to Heterorthidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1917 | Orthis (Heterorthis) Reed p. 847 |
2000 | Heterorthis Williams et al. p. 803 |
2002 | Heterorthis Sepkoski |
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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.
Diagnosis
No diagnoses are available