ammonites
Stylonema robusta Hall 1860 (snail)

Gastropoda - Murchisoniina - Loxonematidae

Alternative combinations: Loxonema robusta, Loxonema robustum

Full reference: J. Hall. 1860. Notes and observations upon the fossils of the Goniatite Limestone, in the Marcellus shale of the Hamilton group, and those of the Goniatite beds of Rockford, Indiana, with some analogous forms from the Hamilton Group proper. Annual report of the Regents of the University of the State of New York on the State Cabinet of Natural History and the Historical and Antiquarian collection annexed thereto 13:95-112

Belongs to Stylonema according to P. J. Wagner 2011

Sister taxa: Stylonema absoluta, Stylonema arachne, Stylonema commutatum, Stylonema dilatata, Stylonema domesticum, Stylonema domina, Stylonema hennahiana, Stylonema innotatum, Stylonema mater, Stylonema modestum, Stylonema oppositum, Stylonema parvula, Stylonema peramplum, Stylonema placidum, Stylonema potens, Stylonema rennoni, Stylonema solitarium, Stylonema styloideum, Stylonema transiens, Stylonema trochleatum

Ecology: facultatively mobile epifaunal suspension feeder