Holothuroidea - Apodida - Achistridae

Alternative combinations: Achistrulum monochordatum, Achistrum (Cancellrum) monochordata

Synonyms: Achistrum (Cancellrum) bichordata Fletcher 1962, Achistrum (Spinrum) bartensteini Frizzell and Exline 1955, Achistrum bartensteini Frizzell and Exline 1955, Achistrum bichordata Fletcher 1962, Achistrum huckei Frizzell and Exline 1955, Calcligula huckei Frizzell and Exline 1955

Full reference: F. Hodson, B. Harris, and L. Lawson. 1956. Holothurian spicules from the Oxford clay of Redcliff, near Weymouth (Dorset). Geological Magazine 93(4):336-344

Belongs to Achistrum according to K. D. Kalita et al. 2002

Sister taxa: Achistrum beckmanni, Achistrum brevis, Achistrum brevis, Achistrum coloculum, Achistrum frizzelli, Achistrum gamma, Achistrum issleri, Achistrum longirostrum, Achistrum ludwigi, Achistrum multiperforatum, Achistrum nicholsoni, Achistrum permianum, Achistrum pulchrum, Achistrum triassicum, Achistrum tuto, Achistrum varicum, Achistrum (Achistrum) brownwoodensis, Achistrum (Cancellrum) bicordata, Achistrum (Cancellrum) pilgrimi, Achistrum (Cancellrum) meltonensis, Achistrum (Cancellrum) britanica, Achistrum (Cancellrum) warboysensis, Achistrum (Cancellrum) trichordata, Aduncrum cordatum

Ecology: epifaunal detritivore