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Ascetopeltis
Taxonomy
Ascetopeltis was named by Owens (1973) [Ascopeltis: Sepkoski's age data: O Ashg-l O Ashg-m
Ascetopeltis: Sepkoski's age data: O Ashg-m O Ashg-m [378]
Sepkoski's age data: O Ashg Sepkoski's reference number: 933]. Its type is Ascetopeltis bockeliei.
It was assigned to Proetinae by Owens (1973) and Owen (1981); to Proetidae by Jell and Adrain (2002); to Tropidocoryphidae by Parnäste et al. (2009); and to Trilobita by Sepkoski (2002) and Keulen and Rhebergen (2017).
It was assigned to Proetinae by Owens (1973) and Owen (1981); to Proetidae by Jell and Adrain (2002); to Tropidocoryphidae by Parnäste et al. (2009); and to Trilobita by Sepkoski (2002) and Keulen and Rhebergen (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Ascetopeltis Owens pp. 125 - 126 |
| 1981 | Ascetopeltis Owen |
| 2002 | Ascetopeltis Jell and Adrain pp. 345, 476 |
| 2002 | Ascetopeltis Sepkoski |
| 2009 | Ascetopeltis Parnäste et al. p. 12 |
| 2017 | Ascetopeltis Keulen and Rhebergen |
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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. †Ascetopeltis Owens 1973
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†Ascetopeltis barkingensis Owens 1973
†Ascetopeltis bockeliei Owens 1973
†Ascetopeltis lepta Owens 1973
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. M. Owens 1973 | Preglabellar field, when present, is very short (sag.); palpebral lobe large to rather small; occipital ring may or may not narrow abaxially; small, ill-defined lateral occipital lobes present; panderian notch present on cephalic doublure at base of genal spine; thorax of ten segments, preannulus present; pygidium broadly triangulate, without border; broad, bluntly ter minating axis with 4-5 rings, separated by very shallow interannular furrows; pleural areas with 3-4 pleural ribs, with pleural and interpleural furrows of about the same depth; sculpture smooth or striate, the striae aften inter spersed with sporadic granules. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Fortey and Owens 1999, Aberhan et al. 2004 | |||||
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pirgu | Netherlands | A. bockeliei (192067) | |
| Ashgill | United Kingdom (England) | A. barkingensis (229800) | |
| Pirgu - Hirnantian | Sweden (Dalarne) | A. sp. 2 (73409) | |
| Rawtheyan | Norway (Oslo) | A. bockeliei (73439) A. lepta (73445) A. sp. (163300) A. sp. 1, A. bockeliei, A. lepta (73405) | |
| Rawtheyan - Hirnantian | Norway (Oslo-Asker Dist.) | A. sp. (365) | |
| Hirnantian | Sweden (Dalarne) | A. sp. 2 (73460) |