Image: Erraticodon balticus Dzik, 1

Erraticodon balticus Dzik, 1

Erraticodon balticus Dzik, 1978 from central New South Wales, Australia. M (A-D), Sa (E-K) and Sb (L-P) elements. Scale bars 100 µm unless otherwise indicated.

Photographer:
Yong Yi Zhen
Rights:
© Australian Museum

Notes

Diagnosis

A species of Erraticodon with an apparatus, including seven morphotypes (M, Sa, Sb, Sc, Sd, Pa, and Pb elements); all elements bearing a prominent cusp, and discrete, peg-like denticles on the processes; Sa, Sb and Sc elements with an excessively enlarged denticle developed on the posterior process.

Age

Middle Ordovician (Darriwilian), about 461-468 Ma.

Distribution

Europe, North America and Australia.

Reference

Zhen, Y.Y. & Pickett, J.W., 2008: Ordovician (Early Darriwilian) conodonts and sponges from west of Parkes, central New South Wales. Proceedings of the Linnean Society of New South Wales 129, 57-82.
 

Last Updated:

Tags conodonts, microfossils,