Rare, Ordovician Starfish With Crinoid & Trilobite Fossils - Oklahoma

 
This is a really cool (and rare) association from the Bromide Formation of Oklahoma. There are multiple partial fossil starfish (Urasterella sp), a nice crinoid (Pararchaeocrinus) crown and the head of a trilobite (Calliops). The entire piece measures 5.5 x 3.5" with the starfish. This piece came out of a pocket collected some time ago, and very little starfish material has been found outside of this pocket.

While the species of starfish was not described the occurence of these starfish was mentioned in the paper linked below.

Echinoderm Faunas from the Bromide Formation (Middle Ordovician) of Oklahoma
FOR SALE
$895
DETAILS
SPECIES
Urasterella sp, Pararchaeocrinus & Calliops
LOCATION
Geological Enterprises Quarry, Criner Hills, Oklahoma
FORMATION
Bromide Formation, Pooleville Member
SIZE
Rock 5.5x3.5
ITEM
#145033
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