Dunnicrinus mississippiensis Moore, 1967

Remarks

• Collection:   Mississippi Museum of Natural Science.  Photos by Curator George Phillips.  Thanks!

• Formation:  Navarro Group Equivalent, Prairie Bluff Formation

• Location:     Oktibbeha County, Mississippi

General Info

Description of specimens (top to bottom)

• 1  Sections of the proximal and intermediate portions of stalk
• 2  Pinnulate arms and dorsal cup (calyx) with pinnulate arms
• 3  Disarticulated pieces
• 4  Partial stalks embedded in calcareous siltstone
• 5  Stalk section from the distal (lower) part of column
• 6  Disarticulated mass of fragments cemented together with matrix

Synonyms (older names and misidentifications in the literature)

• 1967 Dunnicrinus mississippiensis Moore

• 1978 Dunnicrinus mississippiensis Moore; Moore et al.

Stratigraphic Occurrence

• Prairie Bluff Formation of Mississippi

Age

• Dunnicrinus mississippiensis Moore is a late Maastrichtian crinoid (~66 mya).

Geographic Occurrence (by no means an all-inclusive list)

• Oktibbeha County, MS

Remarks

         For identification and descriptions, see:

• Moore, R. C.; Teichert, C., ed's.  1978.  Treatise On Invertebrate Paleontology,  Part T,  Echinodermata 2,  Volume 2.  Boulder & Lawrence:  Geological Society of America and University of Kansas, pp. T844–T846; fig. 568-1a and 568-1b (reconstruction of Dunnicrinus in a living position).