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Aldebarania
Taxonomy
Aldebarania was named by Blake and Sturgeon (1995). It is not extant. Its type is Aldebarania arenitea.
It was assigned to Paxillosida by Sepkoski (2002); and to Astropectinidae by Blake and Sturgeon (1995) and Blake and Jagt (2005).
It was assigned to Paxillosida by Sepkoski (2002); and to Astropectinidae by Blake and Sturgeon (1995) and Blake and Jagt (2005).
Species
A. arenitea (type species), A. taberna
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Aldebarania Blake and Sturgeon |
| 2002 | Albebarania Sepkoski |
| 2005 | Aldebarania Blake and Jagt p. 189 |
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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. †Aldebarania Blake and Sturgeon 1995
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†Aldebarania arenitea Blake and Sturgeon 1995
†Aldebarania taberna Blake and Jagt 2005
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. B. Blake and K. Sturgeon 1995 | A genus of Astropectinidae with disc comparatively large for family; interbrachial arcs angulary to weakly rounded; arm outline (as viewed from above) broadly triangular, straight-sided, abruptly tapering. Marginals well defined, small, rectangular in dorsal outline; fascioles distinct, deep, not broad. Interbrachial, medial superomarginals clearly smaller than inferomarginals, inset from abradial margin (i.e., inferomarginals forming abradial edge of arm), ossicles of two series dissimilar. Actinal ossicles numerous. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Blake 1990, Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: Late/Upper Maastrichtian or 70.60000 to 66.00000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | USA (North Carolina) | A. arenitea (59866) | |
| Late/Upper Maastrichtian | Belgium (Liège) | A. taberna (78714) | |
| Late/Upper Maastrichtian | Belgium (Liege) | A. sp. (32157) | |
| Late/Upper Maastrichtian | Netherlands (Limburg) | A. sp. (32167) A. taberna (78712) | |
| Late/Upper Maastrichtian | Netherlands | A. sp. (32161) |