ammonites
†Valettaster argus Spencer 1907 (sea star)

Asteroidea - Valvatida - Sphaerasteridae

Valettaster argus (Spencer, 1907), BMNH E 4344, Charlton, Kent, England, Upper Chalk
Valettaster argus (Spencer, 1907), BMNH E 46770, unknown locality, England, Upper Chalk
Valettaster argus (Spencer, 1907), BMNH E 2636, Bromley, Kent, England, Upper Chalk
Valettaster argus (Spencer, 1907), isolated ossicles from the paratype suite BMNH E 20491-20559, Micheldever Hants, England, Senonian

Alternative combinations: Stauranderaster argus, Tholaster argus

Full reference: W. K. Spencer. 1907. A Monograph of the British Fossil Echinodermata from the Cretaceous formations. Volume second: The Asteroidea and Ophiuroidea. Paleontographical Society Monographs 2(4):91-132

Belongs to Valettaster according to D. Néraudeau and G. Breton 1993

Sister taxa: Valettaster dangeardi, Valettaster digitatus, Valettaster granulatus, Valettaster ocellatus, Valettaster stipes

Type specimen: Holotype BNHM E 5019, Paratypes BNHM E 2566, BNHM E 20294

Ecology: slow-moving low-level epifaunal carnivore