Stensioella heintzi is an enigmatic placoderm of arcane affinity. It is only known from the Lower Devonian Hunsrück slate of Germany. The genus is named after Erik Stensiö, the species name honours Anatol Heintz.
Stensioella heintzi is an enigmatic placoderm of arcane affinity. It is only known from the Lower Devonian Hunsrück slate of Germany. The genus is named after Erik Stensiö, the species name honours Anatol Heintz.
==Anatomy== Stensioella heintzi has an elongated body, a whip-like tail, and long, wing-like pectoral fins. In life, the animal would have looked vaguely like an elongated ratfish. Like the sympatric Gemuendina, S. heintzi had armor made up of a complex mosaic of small, scale-like tubercles.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).