ARCHAEOCIDARIS ILLINOISENSIS (2)
ARCHAEOCIDARIS ILLINOISENSIS (2) ARCHAEOCIDARIS ILLINOISENSIS (2) ARCHAEOCIDARIS ILLINOISENSIS (2)

ARCHAEOCIDARIS ILLINOISENSIS (2)

Archaeocidaris illinoisensis // Mississippian (lower carbonnifere) // St. Louis Formation, // St. Louis, Missouri.

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Archaeocidaris illinoisensis  (WORTHEN & MILLER).

et radioles d Archaeocidaris Wortheni

Mississippian (lower carbonnifere )

St. Louis Formation,

St. Louis, Missouri.

 

lenght:

slab: 15 par 13 cm

3 urchins with spines .... TOP!

  • Reference
    2309

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