| Arion timidus | |
|---|---|
| |
| Arion timidus | |
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Arionidae |
| Genus: | Arion |
| Species: | A. timidus
|
| Binomial name | |
| Arion timidus Morelet, 1845
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Arion timidus, is a large terrestrial gastropod mollusk in the family Arionidae, the round back slugs.[1]
Description
(Original description in Latin) The animal is dusky-blackish; the margin is yellowish and radiated (streaked with lines), and it is divided into two parts by a chestnut line.
The mantle (clypeus) is small and worm-like (vermiculate); the body is cylindrical, is obtusely conoidal posteriorly, and is roughly sulcate (grooved).
The head and the tentacles are short and are often semi-retracted; the branchial cavity is anterior.
The [animal] is greenish from dusky, the margin is iron-colored (or steely), and the head and the tentacles are black. [2]
The holotype is characterized by having a very short epiphallus and vas deferens alongside a long and slender bursal duct. [3]
Distribution
This species occurs in central Portugal.
References
- ^ Arion timidusMorelet, 1845. 3 November 2025. Retrieved through: World Register of Marine Species.
- ^ Morelet, A. (1845). Description des mollusques terrestres et fluviatiles du Portugal. Baillière, Paris. i-vii + 1-115 [+ 1., 14 pls. , available online at https://www.biodiversitylibrary.org/page/12988736 page(s): 31, pl. 2, fig]
This article incorporates text from this source, which is in the public domain.
- ^ Winter, A.J. de (1986). "Little known and new south-west European slugs (Pulmonata: Agriolimacidae, Arionidae)". Zoologische Mededelingen. 60 (10): 157. Retrieved 3 November 2025. This article incorporates text from this source, which is under a CC BY 4.0 license.
- Simroth, H . , 1891. Die Nacktschnecken der portugiesisch-azorischen Fauna in ihren Verhàltnis zu denen der paláarktischen Region überhaupt. — Nova Acta Leop.-Carol. Dtsch. Akad. Naturforsch. 56: 201–424, T. IX-XVIII.
- Breure, A.S.H., Audibert, C. & Ablett, J.D. (2018). Pierre Marie Arthur Morelet (1809–1892) and his contributions to malacology. Leiden: Nederlandse Malacologische Vereniging. 544 pp.