Biomphalaria peregrina
Encyclopedia
Biomphalaria peregrina is a species
of air-breathing freshwater snail
, an aquatic
pulmonate gastropod mollusk in the family
Planorbidae, the ram's horn snails.
The shell of this species, like all planorbids is sinistral in coiling, but is carried upside down and thus appears to be dextral.
showing phylogenic relations of species in the genus Biomphalaria:
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of air-breathing freshwater snail
Freshwater snail
A freshwater snail is one kind of freshwater mollusc, the other kind being freshwater clams and mussels, i.e. freshwater bivalves. Specifically a freshwater snail is a gastropod that lives in a watery non-marine habitat. The majority of freshwater gastropods have a shell, with very few exceptions....
, an aquatic
Aquatic animal
An aquatic animal is an animal, either vertebrate or invertebrate, which lives in water for most or all of its life. It may breathe air or extract its oxygen from that dissolved in water through specialised organs called gills, or directly through its skin. Natural environments and the animals that...
pulmonate gastropod mollusk in the family
Family
In human context, a family is a group of people affiliated by consanguinity, affinity, or co-residence. In most societies it is the principal institution for the socialization of children...
Planorbidae, the ram's horn snails.
The shell of this species, like all planorbids is sinistral in coiling, but is carried upside down and thus appears to be dextral.
Distribution
The distribution of this species is Neotropical and include: Peru, ...Phylogeny
A cladogramCladogram
A cladogram is a diagram used in cladistics which shows ancestral relations between organisms, to represent the evolutionary tree of life. Although traditionally such cladograms were generated largely on the basis of morphological characters, DNA and RNA sequencing data and computational...
showing phylogenic relations of species in the genus Biomphalaria:
Further reading
- Paraense W. L. (September 2003) "Planorbidae, Lymnaeidae and Physidae of Peru (Mollusca: Basommatophora)". Memórias do Instituto Oswaldo Cruz 98(6): 767-771. PDF