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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Williamia peltoides (shield false limpet)
Taxonomy
Nacella peltoides was named by Carpenter (1864). It is extant. Its type specimen is USNM 4023, a shell.
It was recombined as Williamia peltoides by Grant, IV and Gale (1931), Hendy (2021).
It was recombined as Williamia peltoides by Grant, IV and Gale (1931), Hendy (2021).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Nacella peltoides Carpenter p. 474 |
| 1870 | Williamia vernalis Dall p. 37 |
| 1931 | Williamia peltoides Grant, IV and Gale p. 463 |
| 2021 | Williamia peltoides Hendy |
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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.
Williamia peltoides Carpenter 1864 [shield false limpet]
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Invalid names: Williamia vernalis Dall 1870 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Middle Pleistocene to the top of the Late/Upper Pleistocene or 0.77400 to 0.01170 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Pleistocene | USA (California) | Williamia peltoides (202973) Williamia vernalis (138723) | |
| Late/Upper Pleistocene | USA (California) | Williamia peltoides (59063 96566 160361 219029) Williamia vernalis (202936) |