Olcostephanidae
Olcostephanidae is an extinct ammonoid cephalopod family belonging to the superfamily Perisphinctoidea. These fast-moving nektonic carnivores lived from the Jurassic to the Cretaceous period.[1]
| Olcostephanidae | |
|---|---|
 | |
| Fossil of Olcostephanus astierianus 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: | †Olcostephanidae Haug, 1910 |
Genera[1]
- Bihenduloceras
- Olcostephanus Neumayr, 1875
- Saynoceras
- Subastieria Spath, 1923
- Taraisites Canta-Chapa, 1966
- Valanginites Sayn, 1910
Distribution
Fossils of species within this genus have been found in the Cretaceous sediments of Antarctica, Argentina, Austria, Chile, Colombia, Czech Republic, Czechoslovakia, France, Hungary, Italy, Mexico, Morocco, Peru, Poland, Portugal, Romania, Slovakia, South Africa, Spain, Russia, United States, as well as in the Jurassic of Argentina and Mexico.[1]
gollark: Otherwise, no.
gollark: Or, well, a lot.
gollark: It might help if the majority of the budget was in fact spent on sports.
gollark: According to random internet articles per-person spending is twice as large as in basically every other country ever still.
gollark: I think a more plausible explanation is along the lines that there's a lot of indirection - people don't *directly* pay the full very large price - and, due to other things (devaluing of the degrees, making *not* having one a stronger signal of problematicness somehow, and bizarre "prestige" factors), many people can't really just go "hmm, no, I don't want to pay that much" so they go up.
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