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Decoritheca cyrene
Taxonomy
Orthotheca cyrene was named by Walcott (1905). It is a 3D body fossil.
It was recombined as Decoritheca cyrene by Malinky (1987), Malinky (1990).
It was recombined as Decoritheca cyrene by Malinky (1987), Malinky (1990).
Synonymy list
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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.
†Decoritheca cyrene Walcott 1905
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. M. Malinky 1987 | Diagnosis. Decoritheca having shallow ventral concavity with poorly developed kid- ney-shaped transverse outline; closely spaced transverse threads cover dorsum and venter on shell.
Venter has shallow, median concavity, bounded on both sides by low ridges; concavity deepest near apertural end becoming shallower toward apex; ridges grade into narrowly rounded lateral margins, and dorsum inflated and broadly rounded; resulting transverse outline kidney-shaped; apical end of shell appears straight. Shell covered with fine, closely spaced transverse lirae on both dorsum and venter; internal mold and operculum unknown. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: Franconian or 497.00000 to 486.85000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Franconian | USA (Texas) | Decoritheca cyrene (199766) | |
| Franconian | USA (Montana) | Decoritheca cyrene (199765) |