†Euzonosoma pusillum Ruedemann 1916 (brittle star)
Alternative combination: Encrinaster pusillus
Full reference: R. Ruedemann. 1916. Account of some new or little known species of fossils mostly from Palaeozoic rocks of New York. Paleontological contributions from the New York State Museum 189:7-97
Belongs to Euzonosoma according to W. K. Spencer 1930
Sister taxa: Euzonosoma goldfussi, Euzonosoma montanum, Euzonosoma orbitoides, Euzonosoma schmidti
Ecology: slow-moving low-level epifaunal detritivore-suspension feeder