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Vaugonia (Hijitrigonia)
Taxonomy
Hijitrigonia was named by Kobayashi (1955) [Sepkoski's age data: J Bajo J Bath Sepkoski's reference number: 1115].
It was reranked as Vaugonia (Hijitrigonia) by Fleming (1987).
It was assigned to Vaugonia by Fleming (1987); and to Trigonioida by Sepkoski (2002).
It was reranked as Vaugonia (Hijitrigonia) by Fleming (1987).
It was assigned to Vaugonia by Fleming (1987); and to Trigonioida by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Myophorella impressa, Myophorella producta, Myophorella signata, Trigonia moretoni, Vaugonia ariminensis, Vaugonia athena, Vaugonia awazuensis, Vaugonia cayetanoensis, Vaugonia chunumayensis, Vaugonia chunumayensis, Vaugonia compta, Vaugonia conradi, Vaugonia costata, Vaugonia cubanensis, Vaugonia exotica, Vaugonia fukuiensis, Vaugonia geniculata, Vaugonia hispida, Vaugonia jeletzkyi, Vaugonia kodaijimensis, Vaugonia kojiwa, Vaugonia literata, Vaugonia lycetti, Vaugonia namigashira, Vaugonia orvillensis, Vaugonia postutahensis, Vaugonia quiltyi, Vaugonia yambarensis
Synonymy list
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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.
Subg. †Vaugonia (Hijitrigonia) Kobayashi 1955
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†Vaugonia (Hijitrigonia) kahuika Fleming 1987
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Hettangian to the top of the Bajocian or 201.40000 to 168.20000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hettangian | Japan (Miyagi) | Vaugonia kojiwa (39646) | |
| Aalenian | New Zealand | Vaugonia kahuika (63734) | |
| Aalenian - Callovian | New Zealand | Vaugonia kahuika (51932) | |
| Bajocian | Japan (Miyagi) | Vaugonia geniculata (39969 40543) |