Heterocrinus

Heterocrinus exilis exiguus
CMNH 11601
Scale bar is 1 cm

Heterocrinus exilis
CMNH 11605
Scale bar is 1 cm
Species
Heterocrinus exilis Hall, 1866
Occurrence: Fulton, Economy, Southgate, McMicken
Reference: Dalvé, 1948; Warn and Strimple, 1977
Probably a juvenile Cincinnatricrinus varibrachialus according to Warn and Strimple, 1977
Heterocrinus cf. H. tenuis Billings, 1857
Occurrence: Economy
Reference: Warn, 1973