Sertularella sanmatiasensis El Beshbeeshy 2011
Sertularella sanmatiasensis El Beshbeeshy, 2011 Fig. 16 E-G; Table 23 Sertularella sanmatiasensis El Beshbeeshy, 2011: 148, fig. 47. – Soto Àngel & Peña Cantero, 2015: 996, fig. 7H-I. non Sertularella sanmatiasensis. – (?) Peña Cantero, 2006: 939, fig. 3L. – (?) Peña Cantero & Gili, 2006: 76...
| Main Authors: | , , , |
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| Format: | Other/Unknown Material |
| Language: | unknown |
| Published: |
2017
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| Subjects: | |
| Online Access: | https://zenodo.org/record/6029767 https://doi.org/10.5281/zenodo.6029767 |
| Summary: | Sertularella sanmatiasensis El Beshbeeshy, 2011 Fig. 16 E-G; Table 23 Sertularella sanmatiasensis El Beshbeeshy, 2011: 148, fig. 47. – Soto Àngel & Peña Cantero, 2015: 996, fig. 7H-I. non Sertularella sanmatiasensis. – (?) Peña Cantero, 2006: 939, fig. 3L. – (?) Peña Cantero & Gili, 2006: 767. – (?) Peña Cantero, 2008: 459, fig. 2C. – (?) Peña Cantero & Vervoort, 2009: 87, fig. 2B. – Peña Cantero, 2012: 858, fig. 4A; 2013: 130 (possibly all = Sertularella antarctica Hartlaub, 1901). Sertularella polyzonias. – Blanco, 1984: 37, pls 31-36; 1994: 200 [non Sertularella polyzonias (Linnaeus, 1758)]. Material examined: ZMH C11560; FRV Walther Herwig, Stn. 283, Argentine Shelf, -42.21667° -58.1000°, 500 m; 21.06.1966; numerous colony fragments up to 2.3 cm high, all sterile, with only the perisarc left (holotype). Description: Colonies composed of upright, monosiphonic, unbranched or sparingly-branched stems, up to 5 cm high; a few basal annuli above origin from stolon; divided by oblique nodes into internodes of varied length, longer basally, gradually decreasing distally; a hydrotheca, or a hydrotheca and a short, lateral apophysis below its base, confined to the distal end of each internode. Branching pattern with a tendency to alternate; first internode with a number of spiral twists proximally, and comparatively longer than subsequent ones. Hydrothecae biseriate, alternate, coplanar to occasionally slightly shifted on to one side of the colony; large, flask-shaped, adnate for about 1/3rd their adaxial length; a characteristic notch at origin of free adaxial wall, then hydrotheca conspicuously swollen on same side, till below the aperture, where it is constricted; perisarc either smooth or with up to 3 undulations; abaxial wall straight to slightly concave; 4 marginal, blunt-ended triangular cusps of equal development separated by shallow, semicircular embayments; 3 intrathecal, submarginal cusps (2 latero-adaxial, 1 abaxial), variably present; rim not thickened, margin occasionally renovated up to 3 ... |
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