| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Urocoptoidea
Taxonomy
Urocoptoidea was named by Pilsbry (1898). It is extant.
It was assigned to Helicina by Bouchet et al. (2017).
It was assigned to Helicina by Bouchet et al. (2017).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1898 | Urocoptoidea Pilsbry |
| 2017 | Urocoptoidea Bouchet et al. |
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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.
Superfm. Urocoptoidea Pilsbry 1898
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Fm. Cerionidae Pilsbry 1901
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Invalid names: Holospiridae Pilsbry 1946 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Maastrichtian to the top of the Late/Upper Oligocene or 72.20000 to 23.04000 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Maastrichtian | Mexico (Guerrero) | Holospira sp. (7461) | |
| Danian | USA (Texas) | Holospira fallsensis (205466) | |
| Wasatchian | USA (Wyoming) | Holospira sp. (15759 15780 15832 27353) | |
| Ypresian | Brazil | Brasilennea guttula (231038) | |
| Bridgerian | USA (Wyoming) | Holospira sp. (16244 16431) | |
| Early/Lower Oligocene | Mexico (Nuevo Leon) | Holospira eva (43067) | |
| Rupelian | Mexico (Nuevo Leon) | Holospira eva (43068) | |
| Late/Upper Oligocene | Mexico (Tamaulipas) | Holospira eva (43088) |