Early work aimed at creating a comprehensive list for all fossils found in the Pitkin Formation was done by Easton in 1943. •
Asteroarchaediscus :
A. rugosus :
E. phrissa •
Leonardophyllum :
M. macerimuris :
P. godoni •
Aphelecrinus :
A. planus :
A. compactoides :
O. subglobosus (var. protensa) :
O. uspectum •
Productus :
P. cestriensis :
P. fasciculatus •
Pustula •
Reticularia :
R. setigera •
Spirifer :
S. leidyi :
S. pellaensis •
Spiriferina :
S. spinosa •
Streptorhynchus •
Syringothyris :
S. aequalis •
Tetracamera :
T. neogenes ===
Bivalvia, Bivalves=== This group was also referred to by another name in earlier studies:
Pelecypoda. •
Coloceras (see unidentified section) •
Cravenoceras :
C. hesperium :
C. richardsonianum •
Paladin :
P. mucronatus ===
Ostracoda=== •
Glyptopleurain :
G. optina •
Paraparchites •
Primitia :
P. fayettevillensis ===
Vertebrata=== •
Cladodus •
Deltodus •
Petalodus ===
Plantae, Plants=== "Encrusting
Algae" has been reported but not assigned to any genus. •
Archaeolithophyllum •
Asphaltina :
A. cordillerensis •
Girvanella •
Rectangulina Unidentified Following is a list of fossils also found in the Pitkin by Easton in 1943 that have gone unidentified. • A "Cup Coral" • A member of the
genus Pentremites • Three species within
Agassizocrinus • Two species within
Scytalocrinus • A totally unidentifiable Crinoid • Two species of
Bellerophon • Two species of
Gosseletina • Two species of
Leptoptygma • Two Species of
Strobeus • One species each of
Composita and
Echinoconchus • Two species of
Cypricardella • Two species of
Coloceras, one of which may actually be
Leuroceras • One species of
Dolorthoceras • An unnamed shark
spine ==See also==