FOSSILS SPECIMEN: CRINOIDS, CYSTOIDS, AND BLASTOIDS

Fossils are defined as any evidence of prehistoric life. There are two types of fossils: Body Fossils include remains of skeletal bones, shell, carapace, test and teeth. Trace Fossils are clues the organism existed such as foot prints, tracks, burrows and coprolites (fossil dung).

Domain: Eukaria – Kingdom: Animalia – Phylum: Echinodermata “spiny skin” – Subphylum: Crinozoa – Class: Crinoidea

(crinoids)

Ordovician to Holocene

Crinoids in matrix

Complete Crinoid in Matrix

Crinoid Calyx and Arms in Matrix

Crinoid Arms in Matrix

Crinoid Arms in Matrix

Crinoid Crown (Calyx and Arms) in Matrix

Crinoid Calyx in Matrix

Crinoid Calyx and Column in Matrix

Crinoid Calyx

Paleozoic

North America

Crinoid Platyerinus symmetricus Wachsmuth and Springer Horizon.

Hampton Formation

Locality Le Grand Iowa

Crinoid Calyx

Paleozoic

North America

Crinoid Column in Matrix

Paleozoic

North America

Crinoid Pentameral Columns

Paleozoic

North America

Crinoid Column

Paleozoic

North America

Crinoid Column Floricyclus sp.

Pennsylvanian

(Upper Carboniferous)

Finis Shale, Graham Formation, Jacksboro, Jack County, Texas

Crinoid Column

Pennsylvanian

Texas, United States 

Flatten Crinoid Column

Pennsylvanian

Texas, United States

Crinoid Column

Pennsylvanian

Texas, United States 

Large Crinoid Column

Carboniferous

North America

Large Crinoid Columns

Carboniferous

North America

Large Crinoid Column in Matrix

Carboniferous

North America

Large Crinoid Column

Carboniferous

North America

Crinoid Holdfast

Paleozoic

North America

Crinoid Holdfast

Paleozoic

North America

Crinoid Column(s) in Matrix

Paleozoic

North America

Domain: Eukaria – Kingdom: Animalia – Phylum: Echinodermata “spiny skin” – Subphylum: Crinozoa – Class: Cystoidea

(cystoidea)

Ordovician to Devonian

Cystoid Holocystites scutellatus

Silurian Niagaran

Osgood Shale, Napoleon, Indiana

Cystoid Holocystites scutellatus

Silurian – 400 Million Years Old

Napoleon, Indiana

Cystoid Quadrocystis graffhami in Matrix

Ordovician Blackriverian

Pooleville Member Bromide Formation Criner Hills, Carter County, Oklahoma

Domain: Eukaria – Kingdom: Animalia – Phylum: Echinodermata “spiny skin” – Subphylum: Blastozoa – Class: Blastoidea

(blastoids)

Ordovician to Permian

Blastoids Brachiopods and Bryozoans in Limestone Matrix

Paleozoic

North America

Blastoid Crowns Pentremities Godoni

Mississippian (Lower Carboniferous)

Paint Creek Formation Floraville Illinois

Blastoids in Limestone Matrix

Paleozoic

North America

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