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Austrochlamys
Taxonomy
Austrochlamys was named by Jonkers (2003) [Type species. Pecten natans Philippi, 1845, by original designation.]. It is extant.
It was assigned to Austrochlamydini by Bouchet et al. (2010); and to Chlamydini by Beu and Taviani (2013).
It was assigned to Austrochlamydini by Bouchet et al. (2010); and to Chlamydini by Beu and Taviani (2013).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Austrochlamys Jonkers |
| 2010 | Austrochlamys Bouchet et al. |
| 2013 | Austrochlamys Beu and Taviani p. 10 |
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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. Austrochlamys Jonkers 2003
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Austrochlamys anderssoni Hennig 1911
†Austrochlamys forticosta Beu and Taviani 2013
†Austrochlamys heardensis Fleming 1957
†Austrochlamys marisrossensis Jonkers 2003
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Beu and M. Taviani 2013 | Diagnosis. Chlamydini of moderately large size (H = 100–140 mm), of weakly prosocline shape, with small posterior auricles with concave posterior outline, retaining byssal attachment and corresponding large RV anterior auricle, deep byssal notch and functional ctenoli- um in adults; with relatively few (10–12) coarse primary radial costae in early species, more numerous (30–35) in later species; with radial interspaces crowded with many intercalated and subdivided secondary and tertiary costel- lae; all radial sculpture overridden by many prominent, narrow, commarginal ridges. |
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Messinian to the top of the Piacenzian or 7.24600 to 2.58000 Ma
Minimum age of oldest fossil (stem group age): 5.333 Ma
Minimum age of oldest fossil (stem group age): 5.333 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Miocene | Heard Island and McDonald Islands | A. heardensis (209139) Chlamys heardensis (209137) | |
| Messinian | Antarctica (James Ross Island) | A. anderssoni (157594) | |
| Zanclean | Antarctica (James Ross Island) | A. andersoni (157607) | |
| Pliocene | Antarctica | Chlamys anderssoni (41579 41580 41581) | |
| Pliocene (interglacial) | Antarctica | A. sp. (157608) | |
| Pliocene | Antarctica (James Ross Island) | A. sp. (157589 157591 157592) | |
| Piacenzian | Indian Ocean | A. heardensis (209138) |