Aplexa rivalis is a species of small air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Physidae, a family which are sometimes known as the bladder snails.
| Aplexa rivalis | |
|---|---|
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| Shells of Aplexa rivalis. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Superorder: | Hygrophila |
| Family: | Physidae |
| Genus: | Aplexa |
| Species: | A. rivalis
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| Binomial name | |
| Aplexa rivalis | |
Description edit
Rivalis Aplexa has a thin shell levorotatory, featuring a large oval opening with parietal callus lip sharp and wide. The tentacles are filiform and foot is very long in the back. Ovigerous masses are constituted by transparent oval eggs variable number embedded in a gelatinous mass.[1]
Distribution edit
This species occurs in:
Ecology edit
Chaetogaster limnaei and Nais communis were found to be associated with Aplexa rivalis in Brazil.[2] In Venezuela it is found inhabiting ornamental ponds in the leaves of plants and vegetable crops, and are common in aquarium shops.[1]
See also edit
References edit
- ^ a b c Martínez E, Rafael y Miranda A, Rafael E. 1968. Aspectos de la reproducción en moluscos pulmonados del área metropolitana de Caracas. En: Estudio de Caracas. Ecología vegetal - fauna Vol:II pp:123=165. Universidad Central de Venezuela. Caracas-Venezuela.
- ^ a b Martins R. T. & Alves R. da G. 2008. Occurrence of Naididae (Annelida: Oligochaeta) from three gastropod species in irrigation fields in southeastern Brazil. Biota Neotropica, 8(3), doi:10.1590/S1676-06032008000300023
- ^ Martens, E. von. 1873: die Binnenmollusken Venezuelas. Festschrift sue feier des 100 jaehr.Bestehens der Gesell. Naturf. Freunde zu Berlin.
- ^ Ernst, Adolf. 1876: Enumeración sistemática de las especies de moluscos terrestres y de agua dulce hallas hasta ahora en los alrededores de Caracas y demás partes de la república. Apuntes estadísticos del Distrito Federal. Caracas pp:77-85.
- ^ Lutz, Adolfo 1928: Estudios de zoología y parasicología venezolana. Río de Janeiro.
External links edit
Wikimedia Commons has media related to Aplexa rivalis.