Drymaeus cecileae

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Drymaeus cecileae
Drymaeus cecileae.png
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:
Orthalicoidea
Family:
Bulimulidae
Subfamily:
Peltellinae
Genus:
Drymaeus
Subgenus:
Drymaeus
Species:
D. cecileae
Binomial name
Drymaeus cecileae
Synonyms [2]

Bulimus cecileae Moricand, 1858

Drymaeus cecileae is a species of tropical air-breathing land snail, a pulmonate gastropod mollusk in the family Bulimulidae.

Contents

Distribution

Distribution of Drymaeus cecileae includes Peru: Loreto Region, [2] Tarapoto (type locality), [3] and Juan Guerra, on the Huallaga River. [3]

Apertural and abapertural view of the shell of Drymaeus cecileae. Shell height 21.0 mm. Drymaeus cecileae shell.png
Apertural and abapertural view of the shell of Drymaeus cecileae. Shell height 21.0 mm.

Description

The living animal is brownish-beige throughout, including the tentacles. [2]

The shell is umbilicated, ovate-pyramidal, thin, translucid and shining. [3] The color is pale buff, with elegant longitudinal narrow tawny streaks. [3] The shell has 6 whorls, that are a little convex. [3] The last whorl is about as long as the spire. [3] The suture is impressed. The spire is conic and acute. [3] The aperture is little oblique, oblong, and has a very pale lilac border within. [3] The columella is slightly arcuate. [3] The peristome is thin, expanded, buff or white, not continuous. [3]

The width of the shell is 7–10 mm. [3] The height of the shell is 17–22 mm. [3]

Specimen by Breure (2010) [2] corresponds to the description given by Pilsbry (1898). [2] [3] He regarded this taxon as a colour form of Drymaeus strigatus , which, however, has always a lilac band on the inside, bordering the peristome. [2]

While Drymaeus species are known for their intraspecific variation in colour pattern, we here consider Drymaeus cecileae as a distinct taxon characterized by the more or less orange line behind the peristome, visible both on the inside and outside of the shell, and by being more slender than Drymaeus strigatus . [2]

Related Research Articles

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<i>Drymaeus</i> Genus of gastropods

Drymaeus is a large genus of medium-sized air-breathing, tropical land snails, terrestrial pulmonate gastropod molluscs in the subfamily Peltellinae of the family Bulimulidae.

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<i>Bostryx fragilis</i> Species of gastropod

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<i>Simpulopsis rufovirens</i>

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<i>Drymaeus tripictus</i> Species of gastropod

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References

This article incorporates public domain text from the reference [3] and CC-BY-3.0 text from the reference [2]

  1. ↑ Moricand M. J. (1858). "Description de quelques Coquilles nouvelles". Revue et Magasin de Zoologie Pure et Appliquée 10: 449-455. page 452, plate 14, figure 4.
  2. 1 2 3 4 5 6 7 8 Breure A. S. H. & Mogollón Avila V. (2010). "Well-known and little-known: miscellaneous notes on Peruvian Orthalicidae (Gastropoda, Stylommatophora)". Zoologische Mededelingen 84. HTM Archived 2018-09-26 at the Wayback Machine .
  3. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Pilsbry H. A. (1897-1898). "American Bulimulidae: Bulimulus, Neopetraeus, Oxychona, and South American Drymaeus". Manual of Conchology (2)11: 1-339. page 230, plate 42, fig. 52.
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