Published January 22, 2025
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TABLE 11 in Eleven new heteroscleromorph Demospongiae (Porifera), and a new record of the tetractinellid Ancorina corticata, from Walters Shoal, a shallow seamount on the Madagascar Ridge in the South West Indian Ocean (SWIO)
Authors/Creators
- 1. Anchor Environmental Consultants, Suite 8, Steenberg House, Steenberg Office Park, Silverwood Close, Tokai 7945, Cape Town, South Africa & Department of Biodiversity and Conservation Biology, University of the Western Cape, Private Bag X 17, Bellville 7535, Cape Town, South Africa
- 2. Department of Forestry, Fisheries and Environment, Oceans and Coasts Research, PO Box 52126, Victoria and Alfred Waterfront, Cape Town 8000, South Africa & Department of Biodiversity and Conservation Biology, University of the Western Cape, Private Bag X 17, Bellville 7535, Cape Town, South Africa & Iziko Museums of South Africa, Research and Exhibitions, Marine Biology, Cape Town, South Africa & Department of Biological Sciences, University of Cape Town, Private Bag X 3, Rondebosch 7701, Cape Town, South Africa
- 3. Department of Forestry, Fisheries and Environment, Oceans and Coasts Research, PO Box 52126, Victoria and Alfred Waterfront, Cape Town 8000, South Africa
- 4. Department of Biological Sciences, University of Cape Town, Private Bag X 3, Rondebosch 7701, Cape Town, South Africa & Department of Forestry, Fisheries and Environment, Fisheries Research and Development, Foretrust Building, Foreshore, Cape Town 8000, South Africa
- 5. Department of Biodiversity and Conservation Biology, University of the Western Cape, Private Bag X 17, Bellville 7535, Cape Town, South Africa
Description
TABLE 11. Comparative external morphology, skeletal architecture, spiculation and location data for the species of Clathria (Clathria) Schmidt, 1862 from South Africa and WIO.
| Species | External morphology | Colour | Architecture | Style | Dermal styles | Acanthostyles | Chelae | Toxas | Occurrence | Spicule image |
|---|---|---|---|---|---|---|---|---|---|---|
| Clathria (Clathria) flo Payne, Samaai & Gibbons sp. nov. | Thickly encrusting, lobate form | Orange | Regularly plumo-reticulate | Styles, smooth, curved, with well-rounded to almost subtylote-like base | Subtylostyles, smooth, straight with a terminally spined elongated base | Entirely spined | Medium | Terminally spined, in two size classes | Walters Shoal seamount | See Figure 12 |
| Clathria (Clathria) conica Lévi, 1963 | Conical with digitate surface or erect, branching | Ochre | No true spongin fibres | Smooth, curved with very small basal spines | Spiny head and pointed or truncated distal end and thorny | Entirely spined | Small palmate | Short and deep flexion and rough ends | South Africa | |
| Clathria (Clathria) dayi Lévi, 1963 | Branched with thin peduncles at base (Bushy) | Yellow | Thin membrane; Poorly developed spongin | Smooth and curved | Smooth | Strongly spined —abundant at base and recurved on the distal end | Small palmate | Strong central flexion and spiny ends | South Africa |
Notes
Published as part of Payne, Robyn P., Samaai, Toufiek, Janson, Liesl, Kerwath, Sven E. & Gibbons, Mark J., 2025, Eleven new heteroscleromorph Demospongiae (Porifera), and a new record of the tetractinellid Ancorina corticata, from Walters Shoal, a shallow seamount on the Madagascar Ridge in the South West Indian Ocean (SWIO), pp. 38 in Zootaxa 5575 (1) on page 38, DOI: 10.11646/zootaxa.5575.1.1, http://zenodo.org/record/14746045
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Additional details
Identifiers
References
- Schmidt, O. (1862) Die spongien des Adriatischen Meeres. Wilhelm Engelmann, Leipzig, viii + 88 pp., 7. pls
- Levi, C. (1963) Spongiaires D'afrique du Sud. (1) Poecilosclerides. Transactions of the Royal Society of South Africa, 37 (1), 1 - 72, pls. I - X.