Pleurotomella striatulata
Pleurotomella striatulata is an extinct species of sea snail, a marine gastropod mollusk in the family Raphitomidae.[1]
| Pleurotomella striatulata | |
|---|---|
 | |
| Shell of Pleurotomella striatulata (syntype at MNHN, parsi) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Clade: | Caenogastropoda |
| Clade: | Hypsogastropoda |
| Clade: | Neogastropoda |
| Superfamily: | Conoidea |
| Family: | Raphitomidae |
| Genus: | Pleurotomella |
| Species: | †P. striatulata |
| Binomial name | |
| †Pleurotomella striatulata Lamarck, 1822 | |
Description
Distribution
Fossils of this marine species were found in Miocene strata in Aquitaine, France
gollark: You calculate it.
gollark: <@543131534685765673> `(x - 1) * -1 / 6 * (x - 3) * (x - 4) * (x - 5) + (x - 1) / 2 * (x - 2) * (x - 4) * (x - 5) + (x - 1) * -1 / 2 * (x - 2) * (x - 3) * (x - 5) + (x - 1) * 5 / 24 * (x - 2) * (x - 3) * (x - 4)`
gollark: Specifically factorials up to 7! or so, it's computationally intractable and/or overflows Discord messages beyond that.
gollark: Oh, I can have it generate a convenient formula for factorials too!
gollark: Hmm, Desmos is fine with the simplified version, fun.
References
- Lamarck (J.-B.), 1822 Histoire naturelle des animaux sans vertèbres, présentant les caractères généraux et particuliers de ces animaux, leur distinction, leurs classes, leurs familles, leurs genres, et la citation des principales espèces qui s'y rapportent, t. 7, p. 1-711
- Deshayes (G.-P.), 1843 Histoire des Mollusques. In : Deshayes, G.-P. & Milne Edwards, H. Histoire naturelle des Animaux sans vertèbres présentant les caractères généraux et particuliers de ces animaux,... par LAMARCK, deuxième édition, revue et augmentée, t. 9, p. 1-728
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