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Geryoninae
Taxonomy
Geryoninae was named by Colosi (1924). It is extant. Its type is Geryon.
It was assigned to Geryonidae by Schweitzer et al. (2021).
It was assigned to Geryonidae by Schweitzer et al. (2021).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1924 | Geryoninae Colosi |
2021 | Geryoninae Schweitzer et al. p. 14 |
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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.
Subfm. Geryoninae Colosi 1924
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G. Chaceon Manning and Holthuis 1989
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†Chaceon heimertingensis Bachmayer and Wagner 1957
†Chaceon helmstedtense Bachmeyer and Mundlos 1968
†Chaceon marcorilobus Feldmann et al. 2023
†Chaceon matsushitai Kato and Koizumi 2001
†Chaceon miocenicus Fraaije et al. 2005
†Chaceon ottnangensis Bachmayer 1953
†Chaceon quadrata Feldmann et al. 2010
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: superf = superfamily, o = order, c = class | |||||
References: Fearon and Clapham 2023, Aberhan 1992, Turnsek 1997 |
Age range
Maximum range based only on fossils: base of the Lutetian to the top of the Tortonian or 48.07000 to 7.24600 Ma
Minimum age of oldest fossil (stem group age): 41.03 Ma
Minimum age of oldest fossil (stem group age): 41.03 Ma
Collections (18 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Lutetian | Argentina (Santa Cruz) | Chaceon peruvianus (202316) | |
Bartonian - Priabonian | Germany | Coeloma helmstedtense (46086) | |
Early/Lower Miocene | Argentina | Chaceon peruvianus (89477 89478 185967 185968) | |
Miocene | Chile (Chiloe) | Geryon manningi (228524) | |
Burdigalian | Argentina | Chaceon peruvianus, Chaceon marcorilobus (43002) | |
Tortonian | Argentina | Chaceon peruvianus (41478) | |
Tortonian | Denmark | Chaceon miocenicus (98312 126567) | |
Tortonian | Argentina (Chubut) | Chaceon peruvianus (56992 57049 57051) | |
Late/Upper Miocene | USA (Massachusetts) | Archaeoplax signifera (144204 150647 150648) | |
Late/Upper Miocene | Chile (Valdivia) | Chaceon quadrata (228526) |