| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Psiloceras primocostatum
Taxonomy
Psiloceras primocostatum was named by Hillebrandt (1988).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Psiloceras primocostatum Hillebrandt |
| 2000 | Psiloceras minillaensis Hillebrandt |
| 2000 | Psiloceras planocostatum Hillebrandt |
| 2019 | Psiloceras primocostatum Riccardi p. 149 figs. 3b-e |
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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.
†Psiloceras primocostatum Hillebrandt 1988
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Invalid names: Psiloceras minillaensis Hillebrandt 2000 [synonym], Psiloceras planocostatum Hillebrandt 2000 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Triassic to the top of the Early/Lower Hettangian or 237.00000 to 199.50000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Triassic | Chile | Psiloceras minillaensis (209291) | |
| Early/Lower Hettangian | Peru | Psiloceras planocostatum (209226 209227) | |
| Early/Lower Hettangian | Chile | Psiloceras minillaensis (209309 209316 209359 209571 209575 209601) Psiloceras primocostatum (209285 209352 209569) Psiloceras primocostatum, Psiloceras minillaensis (209305 209502 209570) | |
| Early/Lower Hettangian | Canada (British Columbia) | Psiloceras planocostatum (97512 208914) |