ammonites
Aulactis orthopeda Spencer 1930 (brittle star)

Ophiuroidea - Stenasteridae

Alternative combination: Aulactis orthopaeda

Full reference: W. K. Spencer. 1930. A monograph of the British Palaeozoic Asteroidea. Monograph of the Palaeontographical Society, London 1828(8):389-436

Belongs to Aulactis according to J. Dean Shackleton 2005

Sister taxa: none

Type specimen: Holotype BGS GSM 25342

Ecology: slow-moving low-level epifaunal detritivore-suspension feeder