Sigambra diazi sp. nov. A holotype (ECOSUR 214), stained with Shirlastain-A, anterior region, dorsal view B same, frontal view of pharynx C Chaetiger 16, right parapodium, anterior view (arrow points to gonopore; inset: notohook) D Paratype (ECOSUR 215), stained with methyl green, posterior end, dorsal view E Chaetiger 40, right parapodium, anterior view (arrow points to gonopore; inset: hypertrophied gonopore with sperm, indicated with an asterisk, and central pectinate neurochaetae). Scale bars: 0.3 mm (A, B), 150 µm (C), 0.1 mm (D), 90 µm (E).

 
 
  Part of: Salazar-Vallejo SI, Rizzo AE, León-González JÁ, Brauco KM (2019) Four new Caribbean Sigambra species (Annelida, Pilargidae), and clarifications of three other Sigambra species. ZooKeys 893: 21-50. https://doi.org/10.3897/zookeys.893.39594