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Squatina frequens
Taxonomy
Squatina frequens was named by Underwood (2002). Its type specimen is P65698, a tooth, and it is a 3D body fossil. Its type locality is Ringstead Bay, Weymouth, which is in a Kimmeridgian/Tithonian marine horizon in the Kimmeridge Clay Formation of the United Kingdom.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Squatina frequens Underwood p. 314 |
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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.
†Squatina frequens Underwood 2002
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Wagner 2023 | |||||
Age range: base of the Late/Upper Kimmeridgian to the top of the Early/Lower Tithonian or 152.21000 to 145.06000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Kimmeridgian - Early/Lower Tithonian | United Kingdom (England) | Squatina frequens (type locality: 140224) |