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Ringicula (Ringiculopsis)
Taxonomy
Ringiculopsis was named by Chavan (1947) [Sepkoski's age data: K Sn]. It is not extant.
It was reranked as Ringicula (Ringiculopsis) by Squires and Saul (2001).
It was assigned to Ringicula by Squires and Saul (2001); and to Cephalaspida by Sepkoski (2002).
It was reranked as Ringicula (Ringiculopsis) by Squires and Saul (2001).
It was assigned to Ringicula by Squires and Saul (2001); and to Cephalaspida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1947 | Ringiculopsis Chavan |
| 2001 | Ringicula (Ringiculopsis) Squires and Saul p. 59 |
| 2002 | Ringiculopsis 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. †Ringicula (Ringiculopsis) Chavan 1947
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†Ringicula (Ringiculopsis) hesperiae Squires and Saul 2001
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | USA (California) | Ringicula hesperiae (60806 99312) | |
| Late/Upper Campanian | Mexico (Baja California) | Ringicula hesperiae (86864) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Mexico (Baja California) | Ringicula hesperiae (190523) | |
| Early/Lower Maastrichtian | USA (California) | Ringicula hesperiae (176952 215316) |