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Amblypygus
Taxonomy
Amblypygus was named by Agassiz (1840).
It was assigned to Nucleolitidae by Clark and Twitchell (1915); to Conulidae by Grant and Hertlein (1938); to Holectypoida by Wagner and Durham (1966) and Sepkoski (2002); and to Echinoneidae by Cooke (1942) and Smith (2009).
It was assigned to Nucleolitidae by Clark and Twitchell (1915); to Conulidae by Grant and Hertlein (1938); to Holectypoida by Wagner and Durham (1966) and Sepkoski (2002); and to Echinoneidae by Cooke (1942) and Smith (2009).
Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Amblypygus Agassiz p. 17 |
| 1915 | Amblypygus Clark and Twitchell p. 165 |
| 1938 | Amblypygus Grant and Hertlein p. 106 |
| 1942 | Amblypygus Cooke p. 9 |
| 1966 | Amblypygus Wagner and Durham p. U450 |
| 2002 | Amblypgus Sepkoski |
| 2009 | Amblypygus Smith |
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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. †Amblypygus Agassiz 1840
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Subg. †Amblypygus (Paramblypygus) Tessier and Roman 1973
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†Amblypygus (Paramblypygus) houphoueti Tessier and Roman 1973
†Amblypygus americanus Desor 1858
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Invalid names: Amblypygus merrilli Clark and Twitchell 1915 [synonym]
†Amblypygus depressus Sanchez-Roig 1953
†Amblypygus subhemisphericus Israelsky 1923
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. D. Wagner and J. W. Durham 1966 | Circular to ovate, low-arched to hight subconial, flattened orally; apical system apparently tetrabasal; peristome sunken, subrounded to oblique; periproct large,pyriform,inframarginal; tubercles perforate, crenulate; no evidence of girdle or lantern in adult. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||
Age range: base of the Early/Lower Eocene to the top of the Aquitanian or 55.80000 to 20.44000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | France | A. dilatatus (59788) | |
| Ypresian | Cote D'Ivoire | A. houphoueti (78687 209338 209341) | |
| Eocene | USA (California) | A. subhemisphericus (203576) | |
| Early/Lower Eocene | Pakistan | A. subrotundus (77304) | |
| Middle Eocene | Cuba | A. depressus (155852) | |
| Priabonian | USA (Georgia) | A. americanus (204624) | |
| Priabonian | USA (Florida) | A. americanus (3570 3571) | |
| Priabonian | Jamaica | A. americanus (204623) | |
| Late/Upper Eocene | USA (Florida) | A. sp. (34992) | |
| Chattian - Aquitanian | USA (Florida) | A. merrilli (61072) |