TABLE 1. List of some Cambrian echinoderm examples with preserved stereom microstructure.

 

Cambrian taxa and ossicle type

Preservation style

Stereom type

Locality and age

Reference

Theca of Cymbionites craticula (Eocrinoidea)

Silica

Labyrinthic, galleried

Australia
(Cambrian Series 3)

Smith (1982)

Pelmatozoan columnals (Blastozoa)

Iron oxides

Galleried

Bornholm
(Cambrian Series 3)

Berg-Madsen (1986)

Thecal and spine-like elements of unknown echinoderms

Phosphates

Labyrinthic, galleried

Newfoundland
(Cambrian Series 2)

Smith (1989)

Stylocone and distal ossicles of Ceratocystis? (Stylophora)

Iron oxides

Labyrinthic, galleried

Morocco
(Middle Cambrian)

Clausen and Smith (2005)

Pelmatozoan columnals (Blastozoa)

Iron oxides and silica

Labyrinthic, fascicular, galleried

Morocco
(Cambrian Series 2-3 boundary)

Clausen and Smith (2008)

Ambulacral plates of edrioasteroids and other plates of unknown echinoderms

Phosphates and glauconites

Labyrinthic, rectilinear, galleried

Siberia
(Cambrian Series 3)

Kouchinsky et al. (2011)

Pelmatozoan columnals and ambulacral plates of Edrioasteroidea

Phosphates

Labyrinthic, fascicular, galleried

Greenland
(Cambrian Series 3)

Clausen and Peel (2012)

Marginal and integument plates of Protocinctus (Cincta)

Calcite

Labyrinthic, fascicular, galleried, microperforate, imperforate

Spain
(Cambrian Series 3)

Present paper

Thecal and ambulacral plates of Stromatocystites (Edrioasteroidea)

Calcite

Labyrinthic

Morocco
(Cambrian Series 3)

Present paper

Thecal plates of Dibrachicystidae (Basal Rhombifera)

Calcite

Labyrinthic, galleried, microperforate, imperforate

Spain
(Cambrian Series 3)

Present paper