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Excavatorhynchia
Taxonomy
Excavatorhynchia was named by Jin and Fang (1977) [Sepkoski's age data: Tr Carn Sepkoski's reference number: 538].
It was assigned to Rhynchonellida by Sepkoski (2002); and to Austrirhynchidae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Austrirhynchidae by Williams et al. (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Excavatorhynchia Jin and Fang p. 44 |
| 2002 | Excavatorhynchia Sepkoski |
| 2002 | Excavatorhynchia Williams et al. p. 1252 |
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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. †Excavatorhynchia Jin and Fang 1977
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†Excavatorhynchia deltoidea Jin et al. 1979
†Excavatorhynchia raxana Bittner 1890
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 8.00 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Tuvalian or 232.00000 to 221.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian | China (Yunnan) | E. raxana (165315) | |
| Tuvalian | Hungary | E. raxana (23870) | |
| Norian | Indonesia (Timor) | Rhynchonella raxana (205277) |