| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cyrtosiceras
Taxonomy
Cyrtosiceras was named by Hyatt (1900) [Sepkoski's age data: J Tith]. Its type is Ammonites macrotelus.
It was assigned to Streblitinae by Wright et al. (1996); and to Ammonoidea by Sepkoski (2002).
It was assigned to Streblitinae by Wright et al. (1996); and to Ammonoidea by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Cyrtosiceras Hyatt p. 569 |
| 1996 | Cyrtosiceras Wright et al. p. 12 |
| 2002 | Cyrtosiceras 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Late/Upper Tithonian to the top of the Early/Lower Berriasian or 150.80000 to 140.20000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tithonian | Algeria | C. sp. (45075 45076 45077) | |
| Early/Lower Tithonian | Hungary | C. collegialis, C. sp. (23872) | |
| Late/Upper Tithonian | France | C. macrotelum (174771) | |
| Early/Lower Berriasian | Italy (Ancona) | C. macrotelum (46546) |