Xenacanthus
Sign in to saveXenacanthus (from Ancient Greek ξένος, xénos, 'foreign, alien' + ἄκανθος, akanthos, 'spine') is an extinct genus of xenacanth cartilaginous fish. It lived in freshwater environments, and fossils of various species have been found worldwide.
Wikidata facts
- Parent taxon
- Xenacanthidae
- Image
- Xenacanthus sp fossil.jpg
Show 5 more facts
- taxon name
- Xenacanthus
- taxon rank
- genus
- Commons category
- Xenacanthus
- temporal range start
- Pennsylvanian
- temporal range end
- Permian
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Encyclopedic overview
5 sectionsContents
- Description
- Species
- Palaeoecology
- References
- External links
Xenacanthus (from Ancient Greek ξένος, xénos, 'foreign, alien' + ἄκανθος, akanthos, 'spine') is an extinct genus of xenacanth cartilaginous fish. It lived in freshwater environments, and fossils of various species have been found worldwide.
== Description == thumb|Fossil specimen of X. gaudryi Xenacanthus is a relatively small member of its order. X. decheni reached about , X. meisenheimensis reached up to , X. (Expleuracanthus) gaudryi reached . X. parallelus is one of the smallest xenacanths, males reached and females reached , both are fully grown.
Excerpted from Wikipedia’s “Xenacanthus” article, available under the CC BY-SA 4.0 licence.