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Romaniceras (Obiraceras)
Taxonomy
Obiraceras was named by Matsumoto (1975).
It was reranked as Romaniceras (Obiraceras) by Kennedy and Cobban (1988).
It was assigned to Euomphaloceratinae by Cooper (1978), Wright and Kennedy (1981) and Wright (1983); and to Romaniceras by Kennedy and Cobban (1988).
It was reranked as Romaniceras (Obiraceras) by Kennedy and Cobban (1988).
It was assigned to Euomphaloceratinae by Cooper (1978), Wright and Kennedy (1981) and Wright (1983); and to Romaniceras by Kennedy and Cobban (1988).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Obiraceras Matsumoto |
| 1978 | Obiraceras Cooper p. 103 |
| 1981 | Obiraceras Wright and Kennedy |
| 1983 | Obiraceras Wright |
| 1988 | Romaniceras (Obiraceras) Kennedy and Cobban p. 33 |
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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. †Romaniceras (Obiraceras) Matsumoto 1975
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Middle Turonian or 93.90000 to 89.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Turonian | USA (New Mexico) | Romaniceras sp. (178765) |