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Romaniceras (Yubariceras)
Taxonomy
Yubariceras was named by Matsumoto (1957). Its type is Yubariceras yubarense.
It was reranked as Romaniceras (Yubariceras) by Kennedy and Cobban (1988), Zaborski (1990), Wright et al. (1996), Barroso-Barcenilla (2004), Kennedy et al. (2008) and Benzaggagh et al. (2017).
It was assigned to Euomphaloceratinae by Cooper (1978), Wright and Kennedy (1981) and Wright (1983); and to Romaniceras by Kennedy and Cobban (1988), Zaborski (1990), Wright et al. (1996), Barroso-Barcenilla (2004), Kennedy et al. (2008) and Benzaggagh et al. (2017).
It was reranked as Romaniceras (Yubariceras) by Kennedy and Cobban (1988), Zaborski (1990), Wright et al. (1996), Barroso-Barcenilla (2004), Kennedy et al. (2008) and Benzaggagh et al. (2017).
It was assigned to Euomphaloceratinae by Cooper (1978), Wright and Kennedy (1981) and Wright (1983); and to Romaniceras by Kennedy and Cobban (1988), Zaborski (1990), Wright et al. (1996), Barroso-Barcenilla (2004), Kennedy et al. (2008) and Benzaggagh et al. (2017).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Yubariceras Matsumoto |
| 1978 | Yubariceras Cooper p. 103 |
| 1981 | Yubariceras Wright and Kennedy |
| 1983 | Yubariceras Wright |
| 1988 | Romaniceras (Yubariceras) Kennedy and Cobban p. 601 |
| 1990 | Romaniceras (Yubariceras) Zaborski p. 570 |
| 1996 | Romaniceras (Yubariceras) Wright et al. p. 171 |
| 2004 | Romaniceras (Yubariceras) Barroso-Barcenilla p. 95 |
| 2008 | Romaniceras (Yubariceras) Kennedy et al. p. 153 |
| 2017 | Romaniceras (Yubariceras) Benzaggagh et al. p. 113 |
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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 (Yubariceras) Matsumoto 1957
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†Romaniceras (Yubariceras) evolutum Zaborski 1990
†Romaniceras (Yubariceras) kanei Jones 1938
†Romaniceras (Yubariceras) ornatissimum Stoliczka 1864
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Invalid names: Yubariceras yubarense Matsumoto et al. 1957 [synonym]
†Romaniceras (Yubariceras) reymenti Collignon 1967
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Invalid names: Selwynoceras zeharaense Collignon 1967 [synonym]
†Yubariceras gosavicum Wiedmann 1979
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 38.2 | 32.5 | 45.0 | 38.8 | 8.84 | |
| shell diameter | 2 | 101.9 | 86.5 | 120.0 | 103.2 | 23.7 | |
| shell inflation | 2 | 40.1 | 32.2 | 50.0 | 41.1 | 12.6 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Early/Lower Turonian to the top of the Early/Lower Santonian or 93.50000 to 83.50000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turonian | Morocco | Romaniceras ornatissimum (184448) | |
| Early/Lower Turonian | Morocco | Romaniceras reymenti (175005) | |
| Late/Upper Turonian | Spain | Romaniceras ornatissimum (66962) | |
| Late/Upper Turonian | Nigeria | Romaniceras evolutum (69635) | |
| Middle Turonian | Spain | Romaniceras ornatissimum (187018) | |
| Middle Turonian | Mexico (Chihuahua) | Romaniceras kanei, Romaniceras reymenti (38969) Romaniceras reymenti (38970) Romaniceras sp., Romaniceras ornatissimum (38966) | |
| Middle Turonian | Japan | Yubariceras yubarense (69172) | |
| Middle Turonian | Canada (British Columbia) | Yubariceras sp. (210520) | |
| Late/Upper Coniacian - Early/Lower Santonian | Austria | Yubariceras gosavicum (173322) |