Research Article
Glass Sponges off the Newfoundland (Northwest Atlantic): Description of a New Species of Dictyaulus (Porifera: Hexactinellida: Euplectellidae)
Table 1
Spicule dimensions (in mm) Dictyaulus romani sp. n.
| | Holotype | Paratype | | | min. | max. | avg | std | | min. | max. | avg | std |
| L dermal hexactin distal ray | 24 | 0.037 | 0.252 | 0.151 | 0.044 | 35 | 0.104 | 0.211 | 0.148 | 0.024 | L dermal hexactin tangential ray | 25 | 0.104 | 0.185 | 0.143 | 0.018 | 28 | 0.111 | 0.241 | 0.159 | 0.035 | L dermal hexactin proximal ray | 18 | 0.141 | 0.481 | 0.310 | 0.104 | 18 | 0.093 | 0.525 | 0.284 | 0.147 | L atrial pentactin tangential ray | 6 | 0.278 | 0.414 | 0.335 | 0.050 | 7 | 0.200 | 0.500 | 0.370 | 0.119 | L atrial pentactin ray directed inside body | 4 | 0.352 | 0.444 | 0.389 | 0.040 | 4 | 0.252 | 0.444 | 0.352 | 0.107 | D drepanocome | 12 | 0.059 | 0.081 | 0.074 | 0.006 | 25 | 0.072 | 0.101 | 0.092 | 0.007 | d drepanocome | 12 | 0.015 | 0.019 | 0.017 | 0.002 | 25 | 0.014 | 0.020 | 0.017 | 0.002 | D floricome | 25 | 0.089 | 0.118 | 0.105 | 0.007 | 26 | 0.072 | 0.140 | 0.097 | 0.012 | d floricome | 25 | 0.015 | 0.030 | 0.020 | 0.004 | 26 | 0.014 | 0.018 | 0.017 | 0.001 | D spiny hexactin | 25 | 0.178 | 0.266 | 0.220 | 0.025 | 27 | 0.133 | 0.227 | 0.175 | 0.024 | D pappocome | 25 | 0.259 | 0.333 | 0.300 | 0.016 | 25 | 0.169 | 0.263 | 0.216 | 0.022 | d pappocome | 1 | 0.016 | 0.016 | 0.016 | | 25 | 0.014 | 0.026 | 0.019 | 0.003 | D large discohexaster | 2 | 0.118 | 0.141 | 0.130 | 0.016 | 4 | 0.072 | 0.108 | 0.097 | 0.017 | d large discohexaster | 2 | 0.022 | 0.036 | 0.029 | 0.009 | 4 | 0.014 | 0.016 | 0.015 | 0.001 | D small discohexaster | 11 | 0.032 | 0.065 | 0.048 | 0.010 | 20 | 0.022 | 0.054 | 0.040 | 0.007 | d small discohexaster | 11 | 0.014 | 0.020 | 0.017 | 0.002 | 20 | 0.007 | 0.017 | 0.012 | 0.003 | D discohexactin | 3 | 0.185 | 0.215 | 0.195 | 0.017 | | | | | |
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L: length; D: diameter; d: diameter of primary rosette.
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