| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Geisonocerina
Taxonomy
Geisonocerina is a genus. It is not extant.
It was assigned to Geisonoceratidae by Crick (1981); and to Orthocerida by Sepkoski (2002).
It was assigned to Geisonoceratidae by Crick (1981); and to Orthocerida by Sepkoski (2002).
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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.
G. †Geisonocerina
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wenlock | USA (Wisconsin) | G. wauwatosense (13014) | |
| Wenlock - Silurian | USA (Wisconsin) | G. wauwatosense (13069 13075 13104 13107) | |
| Pendleian | Kazakhstan | G. homeocincta (8421) | |
| Gzhelian - Asselian | Japan | G. sp. (49786) |