Saccocoma tenella is the most common macrofossil of the Solnhofen Limestone. Taxonomy from Hess & Etter 2011. Reconstruction from Milson 1994, p. 123:   References; Milsom, C. (1994) Saccocoma: a benthic crinoid from the Jurassic Solnhofen Limestone, Germany. Palaeontology, 37, 1, 121–129.  H. Hess & W. Etter (2011): Life and death of Saccocoma tenella (GOLDFUSS). Swiss Journal of Geosciences 104(S1) · December 2011