Petrosia (Petrosia) hoeksemai de Voogd & van Soest, 2002
publication ID |
https://doi.org/ 10.3897/zookeys.1208.113603 |
publication LSID |
lsid:zoobank.org:pub:B6DB2AC5-8878-471C-876E-207490E3A4D4 |
DOI |
https://doi.org/10.5281/zenodo.13151706 |
persistent identifier |
https://treatment.plazi.org/id/5949209D-2A86-5D1D-8E5E-A89C06ABF5CF |
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scientific name |
Petrosia (Petrosia) hoeksemai de Voogd & van Soest, 2002 |
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Petrosia (Petrosia) hoeksemai de Voogd & van Soest, 2002 View in CoL
Fig. 12 View Figure 12
Diagnostic features.
The sponge is thick, massive, and encrusting with rugose surface. Color brown outside, cream inside, and turning blackish brown after preservation. Choanosomal skeleton shows pauci-multispicular spicule tracts. Three sizes of oxeas, primary oxeas 182.3–272.9 (219.6) × 10.8–19.2 (14.6) µm (n = 28), secondary oxeas 126.4–221.7 (173.6) × 6.7–11.4 (8.7) µm (n = 32), and tertiary oxeas 58–123.9 (83.1) × 5.6–10.5 (7.5) µm (n = 28).
Seven species of Petrosia have been reported from the Spermonde Archipelago, i. e., Petrosia (Petrosia) hoeksemai de Voogd & van Soest, 2002 , Petrosia (Petrosia) alfiani de Voogd & van Soest, 2002 , Petrosia (Petrosia) lignosa Wilson, 1925 , Petrosia (Petrosia) nigricans Lindgren, 1897 , Petrosia (Petrosia) plana Wilson, 1925 , Petrosia (Strongylophora) cortica ( Wilson, 1925) , and Petrosia (Strongylophora) strongylata (Thiele, 1903) . Two species were originally described from this area, Petrosia (Petrosia) alfiani and Petrosia (Petrosia) hoeksemai ( de Voogd and van Soest 2002) . Our specimen shows slightly bigger secondary and tertiary oxeas compare to the de Voogd & van Soest (2002) specimen. Comparison of spicules measurement between Indonesian Petrosia specimen are shown in Table 1 View Table 1 .
Distribution and ecology.
Samalona Island, the Spermonde Archipelago, attached vertically; reef flat; also reported from north Sulawesi ( de Voogd and van Soest 2002).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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