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Contacyphon involutus
Taxonomy
Contacyphon involutus was named by Kirejtshuk and Ponomarenko (2019). Its type specimen is NHMUK I.9466, an exoskeleton, and it is a compression fossil. Its type locality is Bembridge Marls (Brodie coll), which is in a Priabonian lagoonal/restricted shallow subtidal lime mudstone in the Bouldnor Formation of the United Kingdom.
Synonymy list
Year | Name and author |
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2019 | Contacyphon involutus Kirejtshuk and Ponomarenko p. 446 figs. 19b,c, 22a,b |
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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.
†Contacyphon involutus Kirejtshuk and Ponomarenko 2019
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, p = phylum | |||||
References: Kiessling 2004, Bush and Bambach 2015 |
Age range: Priabonian or 38.00000 to 33.90000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Priabonian | United Kingdom (England) | Contacyphon involutus (21976 type locality: 123959) |