| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Acanthoceras quadratum
Taxonomy
No taxonomic data are available
Sister species
A. amphibolum (syn. A. alvaradoense, A. hazzardi), A. asiatica, A. athabascense, A. basseae (syn. A. vergonsense), A. bellense (syn. A. stephensoni), A. chasca, A. compitalis, A. compressum, A. flexuosum (syn. A. gortanii), A. granerosense, A. joserita, A. jukesbrownei, A. muldoonense, A. pollocense, A. rhotomagense (syn. Ammonites cenomanensis, A. (Pseudacanthoceras) praecursor), A. robustum, A. sangalense, A. sarthacense, A. sherborni, A. vectense, A. whitei (syn. A. turneri)
Synonymy list
No taxonomic opinions are available
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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
No ecological data are available
Age range: Middle Cenomanian or 99.60000 to 93.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Cenomanian | Australia (Northern Territory) | Acanthoceras quadratum (13944 13946) |