Pentremites biconvexa Blastoids

Last Modified 08/27/2008

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(Click Photo to Enlarge)

Name:        Pentremites biconvexa

Geologic Age:   Mississippian - Chestarian

Location:    Paint Creek Formation; Floraville, Illinois

Description:  Big blastoid that measures 29/32" wide.

IllinoisBiconvexaBlastoid1    $15.00

(Click Photo to Enlarge)

Name:        Pentremites biconvexa

Geologic Age:   Mississippian - Chestarian

Location:    Paint Creek Formation; Floraville, Illinois

Description:  Big blastoid that measures 3/4" wide.

IllinoisBiconvexaBlastoid2    $10.00

(Click Photo to Enlarge)

Name:        Pentremites biconvexa

Geologic Age:   Mississippian - Chestarian

Location:    Paint Creek Formation; Floraville, Illinois

Description:  Big blastoid that measures 3/4" wide.

IllinoisBiconvexaBlastoid3    $7.00

(Click Photo to Enlarge)

Name:        Pentremites biconvexa

Geologic Age:   Mississippian - Chestarian

Location:    Paint Creek Formation; Floraville, Illinois

Description:  Big blastoid that measures 3/4" wide.

IllinoisBiconvexaBlastoid4    $7.00

(Click Photo to Enlarge)

Name:        Pentremites biconvexa

Geologic Age:   Mississippian - Chestarian

Location:    Paint Creek Formation; Floraville, Illinois

Description:  Big blastoid that measures 13/16" wide.

IllinoisBiconvexaBlastoid5    $5.00