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Lithacoceras sigali
Taxonomy
Lithacoceras sigali was named by Collignon (1959). It is not extant. Its type specimen is UBGD.010390. Its type locality is Colline de la Cluse du Sikily (Manera), which is in a Kimmeridgian marine marl in Madagascar.
Sister species lacking formal opinion data
L. abbachense, L. albulum, L. ardescicum, L. eystettense, L. faselterum, L. fructicans, L. geron, L. malonianum, L. onukii, L. priscum, L. pubescens, L. rhodanicum, L. riedense, L. submazuricum, L. subulmense, L. supremum, L. thyrrhenum, L. torquatiforme, L. torquatiforme, L. tyrrhenum, L. ulmense, L. unicomptum, L. aeneas, L. jelskii, L. kreutzi, L. lucingae, L. mindowe, L. richei, L. steichenensis, L. larcheri, L. latumbilicata, L. subschilli, L. evolutum, L. grandiplex, L. heidenheimensis
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Lithacoceras sigali Collignon pp. Pl. CVI fig. 390 |
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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.
†Lithacoceras sigali Collignon 1959
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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: Kimmeridgian or 154.80000 to 149.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | Madagascar | Lithacoceras sigali (type locality: 234268) |