@inbook{ERMS:SourceID:8213, author = {Schulze, F.E.}, note = {PDF obtained from Scott Morrison. Higher resolution plates also available.}, title = {Amerikanische Hexactinelliden, nach dem Materiale der Albatross-Expedition. (Fischer: Jena): 1-126, pls I-XIX.}, url = {http://www.marbef.org/data/aphia.php?p=sourcedetails&id=8213}, year = {1899} }