Spigaleos simplex Figuerola & Gordon & Cristobo 2018, n. sp. ...

• Main Authors: Figuerola, Blanca, Gordon, Dennis P., Cristobo, Javier
• Format: Text
• Language: unknown
• Published: Zenodo 2018
• Subjects: Biodiversity; Taxonomy; Animalia; Bryozoa; Gymnolaemata; Cheilostomatida; Celleporidae; Spigaleos; Spigaleos simplex; Hayward; Antarc*; Antarctica
• Online Access: https://dx.doi.org/10.5281/zenodo.5962057; https://zenodo.org/doi/10.5281/zenodo.5962057

Spigaleos simplex n. sp. (FIg. 18; TAbLE 20) Etymology. LATIN ‘ simplex ’, SIMPLE, ALLUDINg TO THE AbSENCE OF AN AVICULARIUM. Material examined. HΟlΟtype: CRBA-58263, STN PAT0209DR15, COLONY FRAgMENT C. 20 MM LONg, 1 MM WIDE, LACKINg PROXIMAL AND DISTAL PORTIONS. Description. COLONY ERECT, DICHOTOMOUSLY bRANCHINg, THE bRANCHES CYLINDRICAL; OVERALL SIZE NOT KNOWN. AUTOZOOIDS IN SPIRAL WHORLS OF FOUR, ELONgATE, CONVEX, SEPARATED bY FAINT gROOVES. FRONTAL WALL FINELY gRANULAR; MARgINAL PORES SMALL, SIDES LONgITUDINALLY TAPERINg. PRIMARY ORIFICE WIDER THAN LONg, PROXIMAL EDgE WITH A SHORT U- SHAPED SINUS. NO ORAL SPINES. PERISTOME DEEP, CONCEALINg ORIFICE. NO AVICULARIA. OVICELLS NOT PRESENT IN THE AVAILAbLE MATERIAL. BASAL SURFACE OF COLONY WITH SCATTERED PORES bUT NO SUTURES. Remarks. SpigaleΟs simplex n. sp. REPRESENTS THE FOURTH SPECIES OF THE gENUS AND THE FIRST RECORD IN THE PATAgONIAN REgION (PREVIOUSLY REPORTED ONLY IN ANTARCTICA). ALTHOUgH HAYWARD (1992) DESCRIbED SUbORAL AVICULARIA AS AN IMPORTANT ... : Published as part of Figuerola, Blanca, Gordon, Dennis P. & Cristobo, Javier, 2018, New deep Cheilostomata (Bryozoa) species from the Southwestern Atlantic: shedding light in the dark, pp. 211-249 in Zootaxa 4375 (2) on page 239, DOI: 10.11646/zootaxa.4375.2.3, http://zenodo.org/record/1298290 ...