Ataxioceratidae
Ataxioceratidae is an extinct Ammonite cephalopod family included in the superfamily Perisphinctoidea. These fast-moving nektonic carnivores lived during the Jurassic and Cretaceous periods.[1]
| Ataxioceratidae | |
|---|---|
 | |
| Fossil of Lithacoceras achilles from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Superfamily: | †Perisphinctoidea |
| Family: | †Ataxioceratidae Buckman 1921 |
Genera
- Catutosphinctes
- Choicensisphinctes
- Katroliceras
- Lithacoceras
- Lithacosphinctes
- Orthosphinctes
Distribution
Fossils of species within this genus have been found in the Cretaceous of Yemen, as well as in Jurassic sediments of Antarctica, Argentina, Canada, China, Cuba, France, Germany, Hungary, India, Iran, Italy, Madagascar, Nepal, Somalia, Spain, United States.[1]
gollark: https://media.discordapp.net/attachments/902332662830735400/903001563327504404/ground-conspiracy.jpg
gollark: That's not much of an explanation either. Why do small ones work better and big ones not? Why do the poorly organised ones win contracts?
gollark: ???
gollark: Why are they inefficient, then, and why aren't better ones selected for?
gollark: That's just a name for it, not an explanation.
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