Phascolosomatidea is a subclass of the class Sipuncula, the peanut worms, containing two orders:-
サメハダホシムシ綱
CLASS
via GBIF
Phascolosomatidea is a subclass of the class Sipuncula, the peanut worms, containing two orders:- Aspidosiphonida containing the single family Aspidosiphonidae Phascolosomatida containing the single family Phascolosomatidae
Their hooks are arranged in regular rings.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).