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Polygyridae
Taxonomy
Polygyridae was named by Pilsbry (1895). It is extant.
It was assigned to Pulmonata by Roth and Emberton (1994); to Gastropoda by Kittle and Portell (2010); and to Helicoidea by Bouchet et al. (2017).
It was assigned to Pulmonata by Roth and Emberton (1994); to Gastropoda by Kittle and Portell (2010); and to Helicoidea by Bouchet et al. (2017).
Subtaxa
Synonymy list
Year | Name and author |
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1895 | Polygyridae Pilsbry |
1994 | Polygyridae Roth and Emberton |
2010 | Polygyridae Kittle and Portell p. 30 |
2017 | Polygyridae Bouchet et al. p. 366 |
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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.
Fm. Polygyridae Pilsbry 1895
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G. Daedalochila Beck 1837
G. Patera Albers 1850
G. Polygyra Say 1818
G. Triodopsis Rafinesque 1819
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Reference: Kiessling 2004 |
Age range
Maximum range based only on fossils: base of the Early/Lower Albian to the top of the Holocene or 112.03000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Collections (28 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Albian - Early/Lower Cenomanian | Argentina (Santa Cruz) | Patera sp. (149928) | |
Maastrichtian | USA (Texas) | Patera romeri (205510) | |
Wasatchian | USA (Wyoming) | Polygyra sp. (15793) | |
Late/Upper Oligocene - Early/Lower Miocene | USA (Montana) | Euchemotrema occidaneum, Triodopsis sp. (200342) Patera sp. (200343) | |
Chattian - Aquitanian | USA (Florida) | Polygyra adamnis (60985) | |
Pleistocene | USA (Florida) | Daedalochila subclausa (227375 227398) Daedalochila subclausa, Polygyra septemvolva (227389 227390 227391) Daedalochila subclausa, Polygyra septemvolva, Triodopsis hopetonensis (227395 227396) Daedalochila subclausa, Triodopsis hopetonensis (227385 227392 227397) Polygyra septemvolva (227388 227399) Polygyra septemvolva, Triodopsis hopetonensis (227387) Triodopsis hopetonensis (227400) | |
Middle Pleistocene | USA (Florida) | Polygyra cereolus (61310) | |
Late/Upper Pleistocene | USA (Texas) | Polygyra texasiana (93527) | |
Late/Upper Pleistocene | USA (Virginia) | Triodopsis albolabris, Triodopsis tridentata (82258) Triodopsis burchi, Triodopsis vulgata, Triodopsis juxtidens (103991) | |
Late/Upper Pleistocene | USA (Florida) | Daedalochila uvulifera, Polygyra cereolus, Polygyra septemvolva (96538) | |
Late/Upper Pleistocene (high glacial) | USA (Texas) | Polygyra texasiana (93103) | |
Holocene | USA (Florida) | Daedalochila subclausa (227374) Daedalochila subclausa, Triodopsis hopetonensis (227372) |