Species Overview

152
KeyPics/cc216A.jpg

Poecillastra tenuilaminaris Sollas, 1886.

Synonyms:
Poecillastra rickettsi de Laubenfels, 1930.

SPONGE:
Shape: Lamellar
Color_Alive: Drab
Consistency: Firm
Shape: One side with pores 0.2 mm
HABITAT:
BenthicRegion: Marine: Deep water
Distribution: Central California

CHARACTERS

Skeleton:
Composition: Silicate
Architecture: Confused with calthrops and oxeas
Surface:
Oscula:
Distribution: scattered on one side
Choanosome:
Architecture: Confused with calthrops and oxeas
Ectosome:
Architecture: Fragile dermal membrane with abundant asters
Megasclere:
Shape: Calthrops
Length: 260 - 433-700 µ
Width: 21 -36- 62 µ
Megasclere:
Shape: Oxeas
Length: 1.55-2.05-2.53 mm
Width: 8 -16- 26 µ
Megasclere:
Shape: Oxeas
Length: 530 -705- 1100 µ
Length: 13 -20- 31 µ
Megasclere:
Shape: Oxeas
Length: 1.48-2.21-2.75 mm
Width: 29 -47- 78 µ
Megasclere:
Shape: Styles
Length: 675 -1796- 2500 µ
Width: 39 -53- 72 µ
Microsclere:
Shape: Asters
Length: 10 -23- 34 µ
Microsclere:
Shape: Pleisiasters-Metasters
Length: --22 µ
Microsclere:
Shape: Microxeas
Length: 86 -129- 151 µ