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
See also Deflandre-Rigaud 1962, Fletcher 1962, Frizzell and Exline 1955, Garbowska and Wierzbowski 1967, Gilliland 1992, Górka and Luszczewska 1969, Gutschick et al. 1967, Hampton 1958, Henderson et al. 1992, Hodson et al. 1956, Kozur and Mostler 1971, Krainer and Mostler 1997, Mostler and Rahimi-Yazd 1976, Reich 1999, Said and Barakat 1958, Soodan and Whatley 1987, Summerson and Campbell 1958, Wernlund 1977 and Zawidzka 1971
Sister taxa: Achistrum (Achistrum), Achistrum (Aduncrum), Achistrum (Cancellrum), Achistrum (Spinrum), 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
Ecology: epifaunal detritivore
Distribution:
• Cretaceous of Poland (1 collection)
• Jurassic of Austria (2), Egypt (3), France (2), Germany (1), Poland (10), the United Kingdom (15)
• Triassic of Hungary (3), Poland (1)
• Permian of Iran (1), United States (1: Texas)
• Carboniferous of United States (4: Kentucky, Missouri, Montana)
Total: 44 collections including 48 occurrences
Specimen images are retrieved through the ePANDDA API.
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