Species Overview

089
KeyPics/cc167A.jpg

Plocamionida lyoni (Bakus, 1966).

Synonyms:
Hymendectyon lyoni Bakus, 1966 .

SPONGE:
Shape: Thin encrusting
Size_Thickness: --2 cm
Color_Alive: Olive-tan; yellow; gold; buff
HABITAT:
Benthic Region: Marine: Intertidal; Subtidal; Deep water
Depth: -51- m
Distribution: Central California to Northern California

CHARACTERS

Surface:
Texture: can be smooth
Contour: most often covered with rounded nodules and deep grooves
Oscula:
Diameter: --200 Ám
Ectosome:
Spicules: Tornotes grouped at surface
Choanosome:
Architecture: Basal reticulation of small Acanthostyles. Large Acanthostyles forming plumose tracts that protrude from surface
Megasclere:
Shape: Acanthostyles
Length: 63 -(96|117) - 159 Ám
Width: 7.0 - 7.5 ]- Ám
Megasclere:
Shape: Acanthostyles
Length: 116 -(161|208)- 301 Ám
Width: 8.5 --9.5 Ám
Megasclere:
Shape: Tornotes
Length: 92 -(117|133)- 152 Ám
Width: 3.4 --4.5 Ám
Microsclere:
Shape: Arcuate Isochelae
Length: 12 -(20|27)- 31 Ám
Skeleton:
Composition: Silicate
Architecture: Basal reticulation of small Acanthostyles. Large Acanthostyles forming plumose tracts that protrude from surface