Species Overview
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Sphincterella sp. A Green & Bakus, 1994.
Synonyms:
Key Page
SPONGE:
Shape:
Lamellar -Lateral margin with spicule fringe
Color_Preserved:
White
Consistency:
Hard
HABITAT:
Benthic Region:
Marine: Deep water
Distribution:
Southern California
CHARACTERS
Surface:
Texture:
Rough but superficially smooth
Oscula:
Rims:
depressions with protective spicules
Ectosome:
Architecture:
Tangential Oxeas and layer of Calthrops
Choanosome:
Architecture:
Irregular bundles of Oxeas
Skeleton:
Composition:
Silicate
Architecture:
Irregular bundles of Oxeas
Megasclere:
Shape:
Oxeas (thin)
Length:
3.25-4.01-5.00 mm
Width:
8 -11- 18 µ
Megasclere:
Shape:
Oxeas (thick)
Length:
1.08-1.65-2.13 mm
Width:
16 -41- 75 µ
Megasclere:
Shape:
Oxeas (short)
Length:
390 -633- 840 µ
Width:
13 -24- 29 µ
Megasclere:
Shape:
Styles
Length:
1.40-1.60-1.75 mm
Width:
39 -56- 73 µ
Megasclere:
Shape:
Calthrops
Length:
100-273-510 µ
Width:
10-33-65 µ
Microsclere:
Shape:
Microxeas
Length:
135 -171- 190 µ
Microsclere:
Shape:
Metasters and Spirasters
Length:
8 -16- 21 µ