Parenchymella is a type of
larva
A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle.
...
of a
demosponge
Demosponges (Demospongiae) are the most diverse class in the phylum Porifera. They include 76.2% of all species of sponges with nearly 8,800 species worldwide (World Porifera Database). They are sponges with a soft body that covers a har ...
composed of an envelope of flagellated cells surrounding an internal mass of cells.
[Parenchymella at portol.org/thesaurus](_blank)
/ref> Demospongiae develops directly into solid stereoblastula. It then develops flagellae to form parenchymella.
References
Larvae
Demospongiae
Sponge biology
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