Hutchinsoniella macracantha is a species of crustacean known as a horseshoe shrimp. It is the only species in the genus Hutchinsoniella and was first described in 1955 by Howard L. Sanders, having been discovered in Long Island Sound; they were the first example of a new class of crustacean that was given the name Cephalocarida.
via Wikidata · CC0
~2 min read
Hutchinsoniella macracantha is a species of crustacean known as a horseshoe shrimp. It is the only species in the genus Hutchinsoniella and was first described in 1955 by Howard L. Sanders, having been discovered in Long Island Sound; they were the first example of a new class of crustacean that was given the name Cephalocarida.
==Description== Adult cephalocaridans are between in length. The body is divided into a cephalon, a segmented thorax and a segmented abdomen, with a cephalic shield covering the cephalon. There are no eyes and the body is flexible and translucent. The thorax has a pair of limbs on each segment while the abdomen is limbless, apart from the telson with its slender caudal filaments. The body and limbs are ornamented with various setae and spines.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).