Key: Step 112

Worm-like, with a distinct dorsal keel (dk); largest spicules scale-headed.


banyulensis

Nematomenia banyulensis

Nematomenia banyulensis

Worm-like, without a dorsal keel; spicules needle-like and hollow.


aglaopheniae

Rhopalomenia aglaopheniae

Rhopalomenia aglaopheniae

Short, broad body, truncated at both ends, with a distinct dorsal keel (dk); spicules arrow head-shaped, with open channel
carinata

Neomenia carinata carinata

Neomenia carinata
Decision path