Sponges of the family Esperiopsidae (Demospongiae, Poecilosclerida) from Northwest Africa, with the descriptions of four new species Author Van Soest, Rob W. M. Naturalis Biodiversity Center, Darwinweg 2, 2333 CR, Leiden, The Netherlands rob.vansoest@naturalis.nl Author Beglinger, Elly J. Naturalis Biodiversity Center, Darwinweg 2, 2333 CR, Leiden, The Netherlands Author de Voogd, Nicole J. Naturalis Biodiversity Center, Darwinweg 2, 2333 CR, Leiden, The Netherlands text European Journal of Taxonomy 2012 2012-07-27 18 18 1 21 journal article 10.5852/ejt.2012.18 c28abfaa-4012-488d-9c90-a06cc8da589b 2118-9773 3857876

Table 1. Summary of characters of Atlantic sponges belonging to genera Amphilectus Vosmaer, 1880 and Esperiopsis Carter, 1882.

Genus	Species	Shape	Skeleton	Styles	Chelae	Sigmas	Microxeas	Depth	Color
Amphilectus	columnatus	pedunculate	irregular	750 x 16	16	n.a.	n.a.	1267	grey
Amphilectus	fucorum	encr., massive, ramose	plumoreticulate	170-500 x 3-19	14-28	n.a.	n.a.	0-108	orange
Amphilectus	informis	encrusting	reticulate	200-260 x 8-10	24-27	n.a.	n.a.	45	pale yellow
Amphilectus	leslei	ramose	reticulate	str 270-330 x 10-16	34-53	n.a.	n.a.	322	?
Amphilectus	lobatus	encr.-lobate	plumoreticulate	145-230 x 2-10	15-23	n.a.	n.a.	0-200	pale yellow
Amphilectus	pedicellatus	pedunculate	irregular	350-940 x 12-24	13-15	n.a.	n.a.	700	grey-brown
Amphilectus	rugosus s. Uriz	massive	reticulate	210-526 x 7-18	21-25	n.a.	n.a.	322	cream-white
Amphilectus	typichela	encrusting	reticulate	330-450 x 4-6	(1) 64-75, (2) 21-25	n.a.	n.a.	90-180	grey
Amphilectus	utriculus sp. nov.	pedunculate-sac-shaped	plumoreticulate	330-414 x 11-14	52-66	n.a.	n.a.	260-500	brown
Amphilectus	strepsichelifer sp. nov.	pedunculate lollipop	plumose	396-462 x 3-7	(1,twisted) 32-36, (2) 32-36	n.a.	n.a.	348-354	light brown
Esperiopsis	decora	encrusting	reticulate	500-550 x 10	(1) 120, (2) 57-64, (3) 22	(1)385-475, (2) 120	10 (tricho)	1360	white
Esperiopsis	flagellum	encrusting	reticulate	390-440 x 6-7	(1) 43-83, (2) 18-21	(1)95-250, (2)30-130	n.a.	550	grey
Esperiopsis	incognita	encrusting	plumoreticulate	400-450 x 6-8	(1) 35-55, (2) 13	(1) 100-320, (2) 40-75	n.a.	700	grey-white
Esperiopsis	macrosigma	encrusting	plumoreticulate	370-420 x 6-8	(1) 110-125, (2) 60, (3) 15-24	(1) 100-400, (2)40-75	n.a.	450-1300	?
Esperiopsis	polymorpha	variable massive-ramose	reticulate	385-585 x 33	50	(1) 50, (2) 15	13	736-927	white, brown
Esperiopsis	praedita	encrusting	reticulate	465 x 6	(1) 50, (2)30	50-200	n.a.	736	brown
Esperiopsis	strongylatus	encrusting	plumoreticulate	str 280-340 x 5-7	(1) 45-55, (2) 20-25	n.a.	n.a.	85	light grey
Esperiopsis	strongylophora	encrusting	plumoreticulate	str 250-360 x 2.5-3	(1) 80-110, (2)48- 55, (3)27-40	(1) 300-370, (2) 90- 160	n.a.	500	cream-white
Esperiopsis	villosa	massive, erect	reticulate	590 x 4-5	(1) 100, (2) 60	160-170	n.a.	36-2000	grey
Esperiopsis	villosa s. Lundbeck	leaf-shaped	reticulate	600-750 x 10-20	(1) 80-120, (2) 78- 92, (3) 21-31	45-190	n.a.	800-1000	grey
Mycalopsis	radiata	encrusting	plumoreticulate	385-455 x 7-8	(1) 80-95, (2)48-58, (3) 18-21	n.a.	n.a.	1331	grey-black
Esperiopsis	cimensis sp. nov.	encrusting	plumose	396-461 x 5-8	(1)56-84, (2) 14-21	(1)76-96, (2)36-56	n.a.	155-170	yellow