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Arnioceras pseudokridion
Taxonomy
Arnioceras pseudokridion was named by Spath (1924). It is a 3D body fossil. Its type locality is Table Ledge, east of Lyme Regis, which is in a Semicostatum marine horizon in the Charmouth Mudstone Formation of the United Kingdom.
Sister species lacking formal opinion data
A. acuticarinatum, A. anageneticum, A. angusticostatum, A. angusticostatus, A. bucklandi, A. carenatum, A. crassicosta, A. densicosta, A. dimorphum, A. falcaries, A. flavum, A. hartmani, A. hartmanni, A. kridioides, A. kridion, A. laevissimum, A. nigrum, A. nodulosum, A. obliquecostatum, A. oppeli, A. paucicostatum, A. repens, A. semicostatoides, A. speciosurn, A. speciusum, A. spirale, A. sulcatum
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Arnioceras pseudokridion Spath pp. 187, 207 figs. (Plate 18, figs. 4 and 5 |
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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.
†Arnioceras pseudokridion Spath 1924
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Semicostatum or 199.50000 to 192.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Semicostatum | United Kingdom (England) | Arnioceras pseudokridion (type locality: 234340) |