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Matthevia
Taxonomy
Matthevia was named by Walcott (1885) [Sepkoski's age data: Cm Fran-u O Trem-l Sepkoski's reference number: 274]. It is not extant.
It was assigned to Paleoloricata by Sepkoski (2002); and to Mattheviidae by Fisher (1962) and Vendrasco and Runnegar (2004).
It was assigned to Paleoloricata by Sepkoski (2002); and to Mattheviidae by Fisher (1962) and Vendrasco and Runnegar (2004).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1885 | Matthevia Walcott |
| 1962 | Matthevia Fisher p. 128 |
| 2002 | Matthevia Sepkoski |
| 2004 | Matthevia Vendrasco and Runnegar p. 683 |
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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. †Matthevia Walcott 1885
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†Matthevia erecta Pojeta et al. 2005
†Matthevia variabilis Walcott 1885
†Matthevia wahwahensis Vendrasco and Runnegar 2004
†Matthevia walcotti Runnegar et al. 1979
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. J. Vendrasco and B. Runnegar 2004 | Thick, massive subconical intermediate and tail valves with a barbed arrowhead-shaped outline in dorsal view, two tunnels in valve interior, elongate (length/width between 1.5 and 2.0), large embayment along the anterior margin, long apical area; intermediate valves shorter and wider than tail valves; head valves flat, holoperipheral growth style, subcentral mucro. |