| Cratera obsidiana | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Platyhelminthes |
| Order: | Tricladida |
| Family: | Geoplanidae |
| Genus: | Cratera |
| Species: | C. obsidiana |
| Binomial name | |
| Cratera obsidiana Amaral, Boll & Leal-Zanchet, 2019 | |
Cratera obsidiana is a species of land planarian belonging to the subfamily Geoplaninae. [1] It is known from specimens found in the Turvo State Park in Brazil. [2]
Cratera obsidiana is a flatworm that can reach up to 40 mm in length. The body is elongate with parallel margins; the front tip is rounded and the back tip is pointed. The dorsal side of the body is a uniform black color, while the ventral side is a light grey. [2]
Aside from its coloration, it is distinguished from other members of Cratera by having a posteriorly-shifted cylindrical pharynx and an extrabulbar prostatic vesicle with a T-shaped, dorsally oriented proximal portion. [2]
The specific epithet is derived from the volcanic rock obsidian, as the glossy black color of the species resembles that of the stone. [2]
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Cratera is a genus of land planarians found in South America.
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Luteostriata subtilis is a species of land planarian belonging to the subfamily Geoplaninae. It is known from specimens found in Brazil.
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