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Taeniaster
Taxonomy
Taeniaster was named by Billings (1858) [Sepkoski's age data: O Cara-m D Emsi-l Sepkoski's reference number: 2]. Its type is Palaeocoma spinosa.
It was synonymized subjectively with Protaster by Dean Shackleton (2005).
It was assigned to Taeniasteridae by Gregory (1899); to Oegophiurida by Sepkoski (2002); and to Protasteridae by Schuchert (1915), Spencer (1934), Owen (1965), Spencer and Wright (1966) and Hunter et al. (2007).
It was synonymized subjectively with Protaster by Dean Shackleton (2005).
It was assigned to Taeniasteridae by Gregory (1899); to Oegophiurida by Sepkoski (2002); and to Protasteridae by Schuchert (1915), Spencer (1934), Owen (1965), Spencer and Wright (1966) and Hunter et al. (2007).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Taeniaster Billings p. 80 |
| 1872 | Alepidaster Meek p. 275 |
| 1878 | Protasterina Ulrich p. 95 |
| 1899 | Taeniaster Gregory |
| 1899 | Palaeophiomyxa Stürtz p. 202 |
| 1915 | Taeniaster Schuchert pp. 216-219 figs. pl. 36 figs. 1-3 |
| 1915 | Alepidaster Schuchert pp. 228-230 |
| 1915 | Palaeophiomyxa Schuchert p. 234 |
| 1934 | Taeniaster Spencer pp. 483-488 |
| 1957 | Palaeophiomyxa Lehmann pp. 46-47 |
| 1965 | Taeniaster Owen p. 550 |
| 1966 | Taeniaster Spencer and Wright p. U87 |
| 2002 | Taeniaster Sepkoski |
| 2007 | Taeniaster Hunter et al. p. 80 |
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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. †Taeniaster Billings 1858
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†Taeniaster armoricanus Hunter et al. 2007
†Taeniaster elegans Miller 1882
†Taeniaster ibericus Hammann and Schmincke 1986
†Taeniaster spinosus Billings 1857
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Invalid names: Protaster whiteavesianus Parks 1908 [synonym], Protasterina fimbriata Ulrich 1878 [synonym]
Invalid names: Alepidaster Meek 1872 [synonym], Palaeophiomyxa Stürtz 1899 [synonym], Protasterina Ulrich 1878 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. W. Hunter et al. 2007 | Interradial outline of the disc straight or concave (but may be convex). Oral and aboral faces of the disc with small scales of uncertain outline covered with granulated integument. Oral face
covered with spines. Probably no true marginalia present. Disc margins often thickened on aboral faces(possible post-mortem folding of the skin after death). Mouth angle plates short, with oral side covered with large papillae. Ambulacrals with typical boot-shaped ridge on the oral side of arms. Median suture between alternate ambulacrals straight, with sinuous appearance between neighbouring boot-shaped ridges. Excavations for the dorsal longitudinal muscles not very broad. Aboral outline of ambulacrals trapezoidal to quadrate. Laterals ear-shaped, with vertical and groove spines. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Dobrotivian to the top of the Early/Lower Emsian or 459.00000 to 402.50000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dobrotivian | Spain | T. ibericus (93271) | |
| Edenian | USA (Ohio) | Alepidaster sp. (384) | |
| Edenian | USA (Pennsylvania) | T. sp., Protasterina maximus (34895) | |
| Maysvillian | USA (Ohio) | Alepidaster sp. (387 388 391) | |
| Maysvillian - Ashgill | USA (Ohio) | Alepidaster sp. (389 390) | |
| Richmondian | USA (Ohio) | T. elegans (173296) | |
| Richmondian - Ashgill | USA (Ohio) | T. sp., Alepidaster sp. (392 393) | |
| Early/Lower Emsian | Germany | T. beneckei, Palaeophiomyxa grandis (26904) | |
| Early/Lower Emsian | Germany (Gemuenden) | T. beneckei (26903) |