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Cratera obsidiana

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Cratera obsidiana
Scientific classification Edit this 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]

Description

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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]

Etymology

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The specific epithet is derived from the volcanic rock obsidian, as the glossy black color of the species resembles that of the stone.[2]

References

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  1. ^ "WoRMS - World Register of Marine Species - Cratera obsidiana Amaral, Boll & Leal-Zanchet, 2019". www.marinespecies.org. Retrieved 2023-07-21.
  2. ^ a b c d Boll, P. K.; Do Amaral, S. V.; Leal-Zanchet, A. M. (2019). Two new land planarian species (Platyhelminthes: Tricladida: Geoplanidae) from protected areas in southern Brazil. Zootaxa. 4664(4): 535-550 doi:10.11646/zootaxa.4664.4.5