Species Overview

592
KeyPics/cc265A.jpg

Sycon escanabensis Duplessis & Reiswig, 2000

Synonyms:

SPONGE:
Shape: Tripartite with oscular tube; trunk and stalk
Size_height: 3.4--5.6 mm
Size_width: 2.4--2.6 mm
HABITAT:
Benthic Region: Marine: Deep Water
Depth: 3500 m
Distribution: North Pacific Basin; Escanaba Trough; Gorda Ridge; Northern California.

CHARACTERS

Skeleton:
Composition: Carbonate
Architecture: Oscular tube lacks choanocytes. Well-ordered skelton of saggital triactins.Thin lancet-head diacts form marginal oscular fringe and the external surface of the tube. The trunk contains choanocytes in coalesce
Megasclere:
Shape: Lancet-headed diactins
Length: 73--341 µ
Width: 1.4--5.1 µ
Megasclere:
Shape: Saggital triactins:Large-medium and small
Length-ray: 28--559] µ
Width: 5.6--47.9 µ
Megasclere:
Shape: Irregular (nonplanar) triactins
Length-ray: 28--559 µ

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Width: 0.02-0.05-0.56 mm
Skeleton:
Architecture: Tetractins are common at the intersection of the flagellated chambers and atrial cavity; Basal stalk lacks choanocytes; and axial atrial cavity; and external diactin ornamentation
Megasclere:
Shape: Tetractins
Size_length_Artial ray: 93-228]-0.56 µ