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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Orthoconus
Taxonomy
Orthoconus was named by Stinchcomb (1986) [Sepkoski's age data: Cm Trep-u Sepkoski's reference number: 644]. It is not extant.
It was assigned to Hypseloconidae by Stinchcomb (1986); and to Mollusca by Sepkoski (2002).
It was assigned to Hypseloconidae by Stinchcomb (1986); and to Mollusca by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Orthoconus Stinchcomb |
| 2002 | Orthoconus 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
| Reference | Diagnosis | |
|---|---|---|
| B. L. Stinchcomb 1986 | Shell an elongate elliptical cone, gradually expanding to form a cone at least five times larger than greatest length at aperture. Shell aperture an ellipse with the length and height subequal. Apex in most species extending to a well formed point. Surfac ewith simple radiating striae, running from the apex to the margin; interspaces wider than the striae. Muscle scars unknown. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: Trempealeauan or 490.20000 to 486.85000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | USA (Missouri) | O. striatus (8690) |