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Umbonium (Suchium)
Taxonomy
Umbonium (Suchium) was named by Makiyama (1924). It is extant.
It was reranked as Suchium by Sepkoski (2002).
It was assigned to Umbonium by Makiyama (1924) and Hickman and McLean (1990); and to Archaeogastropoda by Sepkoski (2002).
It was reranked as Suchium by Sepkoski (2002).
It was assigned to Umbonium by Makiyama (1924) and Hickman and McLean (1990); and to Archaeogastropoda by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1924 | Umbonium (Suchium) Makiyama |
1990 | Umbonium (Suchium) Hickman and McLean p. 136 |
2002 | Suchium 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.
Subg. Umbonium (Suchium) Makiyama 1924
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†Umbonium (Suchium) suchiense Yokoyama 1923
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, c = class | |||||
References: Kiessling 2004, Hendy et al. 2009 |
Age range: base of the Early/Lower Pliocene to the top of the Pleistocene or 5.33300 to 0.01170 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Pliocene | Japan | Umbonium moniliferum (96674 96675) | |
Pliocene | Japan | Umbonium akitanum (97111) | |
Piacenzian | Japan (Kochi) | Suchium suchiense (170023) | |
Pleistocene | Japan | Umbonium costatum (96946 96947 97028) |