Abstract
Gordonaster brassfieldensis is a new genus and species of Asteroidea (Echinodermata) described from the Lower Silurian Brassfield Formation of east-central Kentucky. Tentatively assigned to the poorly understood Palaeasteridae, Gordonaster shares much with Ordovician asteroids, yet it also exhibits apparent homoplasies that presage the post-Paleozoic crown group. Available specimens also indicate that the ontogenetic pattern of ossicular addition seen in the crown group was established during the Paleozoic.
| Original language | English |
|---|---|
| Pages (from-to) | 63-69 |
| Number of pages | 7 |
| Journal | Journal of Paleontology |
| Volume | 83 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2009 |
ASJC Scopus subject areas
- Paleontology
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