Fig. 5From: A new deep-sea pennatulacean (Anthozoa: Octocorallia: Chunellidae) from the Porcupine Abyssal Plain (NE Atlantic)Porcupinella profunda gen. nov and sp. nov. Paratype. a One of the tentacles cut off from the paratype colony in Fig. 3c and d (tentacle arrowed) showing spherical spermatic cysts. b Histological section along the tentacular axis showing a series of spermatic cysts. c Detail from two spertamic cysts showing sperm headsBack to article page