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The monophyly of Pteropoda is the subject of a lengthy debate; they have even been considered as paraphyletic with respect to cephalopods. [1] Current consensus, guided by molecular studies, leans towards interpreting the group as monophyletic. [2] Pteropoda encompasses the two clades Thecosomata, the sea butterflies, and Gymnosomata, the sea ...
The Thecosomata (collective/plural: thecosomes, [1] meaning "case/shell-body"), [2] or sea butterflies, are a taxonomic suborder of small, pelagic, free-swimming sea snails known as holoplanktonic opisthobranch gastropod mollusks, in the order Pteropoda (also included within the informal group Opisthobranchia).
Others would omit Pteropoda and use its containing clade Euopisthobranchia or subclass Heterobranchia. The other suborder of pteropods, Thecosomata , is superficially similar to sea angels, but are not closely related; some authorities include both Thecosomata and Gymnosomata as separate branches of the order Pteropoda , whereas others list ...
Clione limacina, known as the naked sea butterfly, sea angel, and common clione, is a sea angel (pelagic sea slug) found from the surface to greater than 500 m (1,600 ft) depth.
Members of this family are found globally throughout the upper reaches of the water column, in the pelagic zone, most commonly the epipelagic zone. [8] Following the trend of Pteropods in general, they tend to have the highest species diversity tropical and subtropical latitudes but are less abundant under these conditions. [8]
Entomophagy (/ ˌ ɛ n t ə ˈ m ɒ f ə dʒ i /, from Greek ἔντομον éntomon, 'insect', and φαγεῖν phagein, 'to eat') is the practice of eating insects. An alternative term is insectivory. [1] [2] Terms for organisms that practice entomophagy are entomophage and insectivore.
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