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Bullopsis
Taxonomy
Bullopsis was named by Conrad (1858) [Sepkoski's age data: K Camp-u K Maes]. It is not extant.
It was assigned to Bullidae by Sohl (1964); and to Cephalaspida by Sepkoski (2002).
It was assigned to Bullidae by Sohl (1964); and to Cephalaspida by Sepkoski (2002).
Species
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.
G. †Bullopsis Conrad 1858
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†Bullopsis cretacea Conrad 1858
†Bullopsis demersus Sohl 1964
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: Late/Upper Maastrichtian or 70.60000 to 66.00000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | USA (Wyoming) | B. cretacea (1583) | |
| Maastrichtian | USA (Mississippi) | B. cretacea (205512) B. demersus (7506 7600) | |
| Late/Upper Maastrichtian | USA (Missouri) | B. cretacea (4385) | |
| Late/Upper Maastrichtian | USA (Mississippi) | B. cretacea (4122 4126 4127 4128 4130) |