Published January 24, 2018 | Version v1
Taxonomic treatment Open

Smittoidea granulosa Figuerola & Gordon & Cristobo 2018, n. sp.

Description

Smittoidea granulosa n. sp.

(FIg. 8; TAbLE 10)

Etymology. LATIN ‘ granulΟsus ’, gRANULAR, ALLUDINg TO THE gRANULAR FRONTAL SHIELD.

Material examined. HΟlΟtype: CRBA-58262, STN PAT0209DR12 (SAMPLE COATED WITH gOLD), COLONY C. 10 MM LONg, 8 MM WIDE.

Description. COLONY ENCRUSTINg, UNILAMINAR; COLONY SIZE C. 10 MM LONg, 8 MM WIDE. AUTOZOOIDS HEXAgONAL, FLAT. FRONTAL SHIELD FLAT OR CONVEX MEDIALLY, gRANULAR, bORDERED bY RAISED RIDgES, AND 14–17 MARgINAL AREOLAR PORES. PRIMARY ORIFICE WIDER THAN LONg, PROXIMAL EDgE WITH SHORT, bROAD, SLIgHTLY CURVED-EDgED LYRULA, OCCUPYINg PROXIMATELY HALF WIDTH OF ORIFICE; CONDYLES CONSPICUOUS, SHARPLY POINTED, DOWN-CURVED. NO ORAL SPINES. PERISTOME LOW, WITH MEDIO-PROXIMAL NOTCH, SOMETIMES AbOVE A SMALL OVAL SUbORAL AVICULARIUM, WITH SEMI-ELLIPTICAL MANDIbLE, PARALLEL TO FRONTAL PLANE, DIRECTED PROXIMALLY, CROSSbAR SLENDER. OVICELL RECUMbENT ON FRONTAL SHIELD OF DISTALLY SUCCEEDINg AUTOZOOID, HEMISPHERICAL; ECTOOECIUM WITH LARgE, UNCALCIFIED FRONTAL AREA; THE EXPOSED ENDOOECIUM PIERCED bY NUMEROUS, IRREgULAR PORES.

Remarks. SmittΟidea granulΟsa n. sp. RESEMbLES S. cancellata HAYWARD & WINSTON, 2011, IN THE OVERALL APPEARANCE, bUT DIFFERS IN HAVINg MUCH LARgER ZOOIDS, gRANULAR FRONTAL SHIELD AND OOECIUM (NOT DIMPLED), MORE NUMEROUS MARgINAL AREOLAR PORES (14–17, MOSTLY 17, COMPARED TO 10–15), AND IN THE AbSENCE OF DIMORPHIC AVICULARIA.

n, number of measurements made; SD, standard deviation

Notes

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 pages 223-225, DOI: 10.11646/zootaxa.4375.2.3, http://zenodo.org/record/1298290

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Linked records

Additional details

Biodiversity

Scientific name authorship
Figuerola & Gordon & Cristobo
Kingdom
Animalia
Phylum
Bryozoa
Order
Cheilostomatida
Family
Smittinidae
Genus
Smittoidea
Species
granulosa
Taxon rank
species
Taxonomic status
sp. nov.
Taxonomic concept label
Smittoidea granulosa Figuerola, Gordon & Cristobo, 2018