[A]
Mean Discoctaster diameter is greater than 200 μm. |
| | Staurocalyptus dowlingi
(Lambe, 1894) |
Sponge:
Saccate with all lateral and marginal projecting spicules as Diactins.
Color: Dry: Light brownish yellow.
Spicules: Megascleres:
(1) Principal Diactins:
2.2 -4.1- 9.0 mm.
Warning: Undefined array key 3 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 129
(2) Thick Prostal Diactins:
to 6 cm.
x 300 um.
Warning: Undefined array key 4 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 129
(3) Hypodermal Pentactins (tangential ray):
0.42 -2.06- 4.35 mm.
(proximal ray): 4.2 -8.1- 11.7 mm.
Warning: Undefined array key 4 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 129
(4) Small Diactins:
0.59 -0.95- 1.74 mm.
Warning: Undefined array key 3 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 129
Warning: Undefined array key 4 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 131
Mesoscleres:
Warning: Undefined array key 1 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 155
(1) Dermal Pentactins (tangential ray):
64 -105- 166 um.
(proximal ray) 68 -99- 122 um.
Warning: Undefined array key 4 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 172
Warning: Undefined array key 1 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 155
(2) Gastral Hexactins (ray):
57 -85- 118 um.
Warning: Undefined array key 3 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 172
Warning: Undefined array key 2 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 174
Microscleres:
Warning: Undefined array key 1 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 195
(1) Oxy-Hemioxyhexasters (diameter):
96 -127- 159 um.
Warning: Undefined array key 3 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 212
Warning: Undefined array key 1 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 195
(2) Discoctasters (diameter):
184 -256- 310 um.
Warning: Undefined array key 3 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 212
Warning: Undefined array key 1 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 195
(3) Micro-discohexasters (diameter):
16 -22- 27 um.
Warning: Undefined array key 3 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 212
Warning: Undefined array key 3 in /home/thackerdb2/public_html/casponges/programfiles/WCS_Key4.php on line 214
Skeleton:
Entirely of loose spicules.
Distribution: Southern California.
Depth: Deep water.
Note: Extends north to Aleutian Id., Alaska. Measurements from type specimen NMC 1900-2812. Tabachnick's 2002 proposed move of Staurocalyptus to a subgenus of Acanthascus is not followed here.
|
|
|
Mean Discoctaster diameter is less than 200 μm.
|
|
|