| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Orthoceras expansum
Taxonomy
Orthoceras expansum was named by Blake (1882). It is not extant. Its type specimen is GSM 103511, a shell. Its type locality is Killey Bridge Fm. locality 1, NE of Pomeroy, which is in a Richmondian offshore mudstone/siltstone in the Killey Bridge Formation of the United Kingdom.
It was recombined as Michelinoceras expansum by Evans (1993).
It was recombined as Michelinoceras expansum by Evans (1993).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1882 | Orthoceras expansum Blake |
| 1993 | Michelinoceras expansum Evans p. 166 fig. 7 |
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.
†Orthoceras expansum Blake 1882
show all | hide all
Diagnosis
No diagnoses are available