Taxonomy and phylogeny of the ‘ football stars’ (Asteroidea, Sphaerasteridae)
Author
Gale, Andrew Scott
School of the Environment, Geography and Geological Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Portsmouth PO 1 3 QL UK; & Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW 7 5 BD, UK
text
Journal of Systematic Palaeontology
2021
2021-10-01
19
10
691
741
http://dx.doi.org/10.1080/14772019.2021.1960911
journal article
293303
10.1080/14772019.2021.1960911
53749253-12aa-41cc-9eec-e28c0b075738
1478-0941
10949919
F8991F09-B5FB-40EF-B4CC-474D925085B8
Valettaster stipes
Villier, 2010
2010
Valettaster stipes
Villier
: 714, fig. 7, pl. 1p–r.
Diagnosis.
Primary abactinal ossicles low, with irregular digitate outline. External surface flat, lacking ornament.
Types.
The
holotype
is an abactinal ossicle, MPUP VILL026.
Paratypes
, MPUP VILL027-029, VILL049-051.
Occurrence.
All are from the Barremian of Serre de Blayton, near Arnayon,
France
.
Remarks.
Valettaster stipes
resembles
V. digitatus
in the flattened form of the abactinal ossicles and the digitate margin, but differs in the smooth external surface, which in
V. digitatus
carries fine, closely spaced crater-like spine pits (
Fig. 22A–D, G, J
).