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Neotrigonia
Taxonomy
Neotrigonia was named by Cossmann (1912) [Sepkoski's age data: T Mi-m R Sepkoski's reference number: 1112]. It is extant.
It was assigned to Trigoniidae by Cox (1952), Vokes (1980), Lamprell and Whitehead (1992); and to Trigonioida by Sepkoski (2002).
It was assigned to Trigoniidae by Cox (1952), Vokes (1980), Lamprell and Whitehead (1992); and to Trigonioida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1912 | Neotrigonia Cossmann |
| 1952 | Neotrigonia Cox |
| 1980 | Neotrigonia Vokes p. 99 |
| 1992 | Neotrigonia Lamprell and Whitehead p. 40 |
| 2002 | Neotrigonia 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.
G. Neotrigonia Cossmann 1912
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Subg. †Neotrigonia (Callitrigonia)
†Neotrigonia acuticostata McCoy 1866
†Neotrigonia bednalli Verco 1907
†Neotrigonia gemma Iredale 1924
†Neotrigonia kaiyomaruae Habe 1976
†Neotrigonia lamarckii Gray 1838
†Neotrigonia margaritacea Lamarck 1804
Neotrigonia pectinata Lamarck 1819
†Neotrigonia strangei Adams 1854
†Neotrigonia uniophora Gray 1847
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 3 | 37.5 | 27.1 | 44.9 | 43.4 | 9.89 |
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| Source: f = family | |||||
| References: Aberhan et al. 2004, Ros-Franch et al. 2014 | |||||
Age range
Maximum range based only on fossils: base of the Middle Miocene to the top of the Zanclean or 15.98000 to 3.60000 Ma
Minimum age of oldest fossil (stem group age): 11.63 Ma
Minimum age of oldest fossil (stem group age): 11.63 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Miocene | Australia (Victoria) | N. acuticostata (71352 72232) | |
| Late/Upper Miocene | Australia (Victoria) | N. howitti (72228 72234) N. strangei, N. acuticostata (72235) | |
| Late/Upper Miocene | Australia (South Australia) | N. acuticostata (72192) | |
| Late/Upper Miocene | Australia (New South Wales) | N. acuticostata (72190) | |
| Zanclean | Australia (Victoria) | N. acuticostata (166744) |