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Cassidulus (Rhynchopygus)
Taxonomy
Rhynchopygus was named by d'Orbigny (1856) [Sepkoski's age data: K Ceno R Sepkoski's reference number: 577]. It is extant.
It was reranked as Cassidulus (Rhynchopygus) by Clark and Twitchell (1915), Kew (1920).
It was assigned to Cassidulus by Clark and Twitchell (1915), Kew (1920); to Cassidulidae by Grant and Hertlein (1938), Kier (1962), Kier (1966); to Cassiduloida by Sepkoski (2002); and to Faujasiidae by Holmes (2004).
It was reranked as Cassidulus (Rhynchopygus) by Clark and Twitchell (1915), Kew (1920).
It was assigned to Cassidulus by Clark and Twitchell (1915), Kew (1920); to Cassidulidae by Grant and Hertlein (1938), Kier (1962), Kier (1966); to Cassiduloida by Sepkoski (2002); and to Faujasiidae by Holmes (2004).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1856 | Rhynchopygus d'Orbigny |
| 1915 | Cassidulus (Rhynchopygus) Clark and Twitchell p. 140 |
| 1920 | Cassidulus (Rhynchopygus) Kew p. 138 |
| 1938 | Rhynchopygus Grant and Hertlein p. 109 |
| 1962 | Rhynchopygus Kier p. 159 |
| 1966 | Rhynchopygus Kier p. U515 |
| 2002 | Rhynchopygus Sepkoski |
| 2004 | Rhynchopygus Holmes p. 210 |
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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.
Subg. Cassidulus (Rhynchopygus) d'Orbigny 1856
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†Cassidulus (Rhynchopygus) californicus Anderson 1905
†Cassidulus (Rhynchopygus) depressus Clark and Twitchell 1915
†Cassidulus (Rhynchopygus) evergladensis Mansfield 1932
†Cassidulus (Rhynchopygus) mexicanus Kew 1920
†Cassidulus (Rhynchopygus) ynezensis Kew 1920
†Rhynchopygus arumaensis Kier 1972
†Rhynchopygus lapiscancri Leske 1778
Rhynchopygus marmini Agassiz 1847
†Rhynchopygus peruvianus Brighton 1926
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Campanian to the top of the Early/Lower Pleistocene or 83.60000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 72.2 Ma
Minimum age of oldest fossil (stem group age): 72.2 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Saudi Arabia | Rhynchopygus arumaensis (195511) | |
| Early/Lower Maastrichtian | Spain (Cataluña) | Rhynchopygus sp. (67004) | |
| Late/Upper Maastrichtian | Netherlands (Limburg) | Rhynchopygus marmini (32167) | |
| Late/Upper Maastrichtian | Netherlands | Rhynchopygus marmini (32161) | |
| Late/Upper Maastrichtian | Belgium (Liege) | Rhynchopygus marmini (32157) | |
| Maastrichtian | Spain (Santander) | Rhynchopygus sp. (157006) | |
| Late/Upper Maastrichtian - Danian | Netherlands | Rhynchopygus marmini (32160) | |
| Eocene | Peru | Rhynchopygus peruvianus (203222) | |
| Middle Eocene | USA (California) | Rhynchopygus californicus (32907 208694) | |
| Bartonian | USA (North Carolina) | Cassidulus raveneli (5436 5437) | |
| Late/Upper Eocene | USA (California) | Cassidulus californicus (203442) | |
| Late/Upper Eocene | USA (Georgia) | Cassidulus depressus (203464) | |
| Early/Lower Miocene | USA (North Carolina) | Cassidulus raveneli (41985) | |
| Miocene | Mexico (Baja California Sur) | Cassidulus mexicanus (203577) | |
| Early/Lower Pleistocene | USA (Florida) | Cassidulus evergladensis (41206 41209) |