MolluscaBase source details
Sardeson F.W. (1902). The Carboniferous formations of Humboldt, Iowa. American Geologist. 30: 300-312.
481131
Sardeson F.W.
1902
The Carboniferous formations of Humboldt, Iowa
American Geologist
30: 300-312
Publication
Date
action
by
Loxonema difficile Sardeson, 1902 † accepted as Palaeozygopleura difficile (Sardeson, 1902) † (original description)
