| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Eucalycoceras
Taxonomy
Eucalycoceras was named by Spath (1923) [Sepkoski's age data: K Ceno-m K Ceno-u]. Its type is Ammonites pentagonus.
It was reranked as Calycoceras (Eucalycoceras) by Collignon (1937).
It was assigned to Calycoceras by Collignon (1937); to Acanthoceratidae by Matsumoto (1959) and Cobban (1988); to Ammonoidea by Sepkoski (2002); and to Acanthoceratinae by Kennedy (1994), Wright et al. (1996), Kennedy et al. (1996) and Guendouz et al. (2022).
It was reranked as Calycoceras (Eucalycoceras) by Collignon (1937).
It was assigned to Calycoceras by Collignon (1937); to Acanthoceratidae by Matsumoto (1959) and Cobban (1988); to Ammonoidea by Sepkoski (2002); and to Acanthoceratinae by Kennedy (1994), Wright et al. (1996), Kennedy et al. (1996) and Guendouz et al. (2022).
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Eucalycoceras Spath p. 144 |
| 1937 | Calycoceras (Eucalycoceras) Collignon p. 37 |
| 1959 | Eucalycoceras Matsumoto p. 94 |
| 1972 | Mantelliceras (Pseudomantelliceras) Thomel |
| 1988 | Eucalycoceras Cobban p. 8 |
| 1994 | Eucalycoceras Kennedy p. 229 |
| 1996 | Eucalycoceras Kennedy et al. p. 316 |
| 1996 | Eucalycoceras Wright et al. p. 164 |
| 2002 | Eucalycoceras Sepkoski |
| 2022 | Eucalycoceras Guendouz et al. p. 2165 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
G. †Eucalycoceras Spath 1923
show all | hide all
Subg. †Eucalycoceras (Proeucalycoceras) Thomel 1969
†Eucalycoceras barcusi Jones 1938
†Eucalycoceras collignoni Fabre 1940
†Eucalycoceras denizoti Fabre 1940
†Eucalycoceras diabloense Anderson 1958
†Eucalycoceras gothicum Kossmat 1895
†Eucalycoceras jeanneti Collignon 1937
†Eucalycoceras jeanneti nicaensis Thomel 1965
†Eucalycoceras pentagonum Jukes-Browne 1896
†Eucalycoceras pervinquierei Collignon 1931
†Eucalycoceras shastense Reagan 1924
†Eucalycoceras templetonense Cobban 1988
Invalid names: Pseudomantelliceras Thomel 1972 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Wright et al. 1996 | High-whorled and rather compressed; at first venter flat and may be bituberculate, but later arched and trituberculate; ribs dense and narrow to flat and distant, with sharp umbilical, inner and outer ventrolateral, and, at least on outer whorls, pointed or bullate siphonal tubercles; tubercles may disappear on body chamber and ribs become flat and steep behind. |