-
stalked crinoids, some
subgroups achieved strange forms. The long-lasting
Calceocrinidae were re****bent forms, with a
flattened crown bent back onto a stalk...
- Wissenschaften, 24, Abt. 2, pp 223-296 [108] Ringueberg, E.N.S., 1889. The
Calceocrinidae. A
revision of the family, with
descriptions of some new species. Annals...