Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Chionista was named by Keen (1958) [Sepkoski's age data: Q Plei R]. It is extant.
It was reranked as Chione (Chionista) by Coan et al. (2000) and Roopnarine (2001).
It was assigned to Chione by Coan et al. (2000) and Roopnarine (2001); to Veneridae by Todd (2001); to Veneroida by Sepkoski (2002); and to Venerinae by Coan and Valentich-Scott (2012).
It was reranked as Chione (Chionista) by Coan et al. (2000) and Roopnarine (2001).
It was assigned to Chione by Coan et al. (2000) and Roopnarine (2001); to Veneridae by Todd (2001); to Veneroida by Sepkoski (2002); and to Venerinae by Coan and Valentich-Scott (2012).
Synonymy list
Year | Name and author |
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1958 | Chionista Keen |
2000 | Chione (Chionista) Coan et al. p. 369 |
2001 | Chione (Chionista) Roopnarine p. 645 |
2001 | Chionista Todd |
2002 | Chionista Sepkoski |
2012 | Chionista Coan and Valentich-Scott p. 762 |
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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.
G. Chionista Keen 1958
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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: Hendy et al. 2009, Kiessling 2004, Aberhan et al. 2004 |
Age range
Maximum range based only on fossils: base of the Tortonian to the top of the Late/Upper Pleistocene or 11.62000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 7.246 Ma
Minimum age of oldest fossil (stem group age): 7.246 Ma
Collections (17 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Tortonian | Panama (Darien) | C. sp. (136122) | |
Early/Lower Pleistocene | USA (California) | Chione fluctifraga (168757) | |
Late/Upper Pleistocene | USA (California) | Chione cortezi (96589) Chione fluctifraga (22632 96937 96938 219030) Chione fluctifraga, Chione cortezi (96935 96936 96939 160361) Venus fluctifraga (59063 96895 222660) | |
Late/Upper Pleistocene | Mexico (Sonora) | Chione cortezi (34937 34939) Chione fluctifraga (44963) |