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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Cytherea squalida was named by Sowerby (1833). It is extant.
It was recombined as Pitar squalidus by Delong (1941); it was recombined as Macrocallista squalida by Squires (1959); it was recombined as Megapitaria squalida by Keen (1971).
It was recombined as Pitar squalidus by Delong (1941); it was recombined as Macrocallista squalida by Squires (1959); it was recombined as Megapitaria squalida by Keen (1971).
Synonymy list
| Year | Name and author |
|---|---|
| 1833 | Cytherea squalida Sowerby |
| 1833 | Cytherea squalida Sowerby I |
| 1941 | Pitar squalidus Delong |
| 1959 | Macrocallista squalida Squires |
| 1971 | Megapitaria squalida Keen p. 176 |
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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.
Megapitaria squalida Sowerby 1833 [chocolate clam]
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Late/Upper Pliocene to the top of the Late/Upper Pleistocene or 3.60000 to 0.01170 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pliocene | Ecuador | Megapitaria squalida (96598) | |
| Late/Upper Pliocene | USA (California) | Macrocallista squalida (238437 238611 238612) | |
| Piacenzian - Gelasian | Ecuador (Manabi) | Macrocallista squalida (51878) | |
| Early/Lower Pleistocene | Costa Rica | Macrocallista squalida (66777) | |
| Pleistocene | Mexico (Sonora) | Megapitaria squalida (96565) | |
| Late/Upper Pleistocene | Mexico (Sonora) | Megapitaria squalida (44963 96557 96558 96561) | |
| Late/Upper Pleistocene | Mexico (Baja California Sur) | Macrocallista squalida (89597) | |
| Late/Upper Pleistocene | Mexico | Macrocallista squalida (147802 147803) Pitar squalidus (96870) | |
| Late/Upper Pleistocene | USA (California) | Macrocallista squalida (160361) Megapitaria squalida (96936 96937 96939) Pitar squalidus (96895 240612) |