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Cosa
Taxonomy
Cosa was named by Finlay (1926) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 914]. It is extant. Its type is Hochstetteria costata.
It was assigned to Arcoida by Sepkoski (2002); and to Philobryidae by Vokes (1980), Lamprell and Healy (1998), Spencer et al. (2004).
It was assigned to Arcoida by Sepkoski (2002); and to Philobryidae by Vokes (1980), Lamprell and Healy (1998), Spencer et al. (2004).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Cosa Finlay |
| 1980 | Cosa Vokes p. 22 |
| 1998 | Cosa Lamprell and Healy p. 72 |
| 2002 | Cosa Sepkoski |
| 2004 | Cosa Spencer et al. |
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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. Cosa Finlay 1926
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Cosa costata Bernard 1896
Cosa dispar Powell 1937
Cosa laevicostata Powell 1933
Cosa serratocostata Powell 1937
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Mikkelsen and Bieler 2008 | |||||
Age range
Maximum range based only on fossils: Early/Lower Oligocene or 33.90000 to 28.40000 Ma
Minimum age of oldest fossil (stem group age): 28.4 Ma
Minimum age of oldest fossil (stem group age): 28.4 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene | Australia (Victoria) | C. praenuntia (71236) |