UNCW National Science Foundation Valdosta State University Universidad Nacional de Colombia The Sponge Guide
Class Order Family Genus species Images Notes Author Char
Demospongiae Agelasida Agelasidae Agelas cerebrum 23 Pinkish/orange, thick jugs-tubes; surface with round oscules surrounded by convoluted deep crevices which are rather homogenously distributed throughout the body. Spicules are acanthostyles. May be confused with some Agelas tubulata Lehnert & van Soest, 1996 having some deep crevices or lumps unevenly distributed in parts of the body (some specimens were hard to assign to either A. cerebrum o A. tubulata), but usually those do not have the oscules or fields of pores among recesses. Assman, van Soest & Köck, 2001 pink-lilac,orange,cinnamon-tan,tube,vase,tough
Demospongiae Agelasida Agelasidae Agelas cervicornis 16 Brown, thin to thicker, smooth to undulate, erect branches with scattered oscules. Spicules are acanthostyles. May be confused with club-shaped individuals of Agelas dispar (Duchassaing & Michelotti, 1864), which are thicker. Also with flat-branched individuals of Agelas dilatata Duchassaing & Michelotti, 1864), which usually are lighter in color (tan) and arise from a wider base (A. cervicornis usually arise from a narrow base). Spicules are acanthostyles. (Schmidt, 1870) brown,cinnamon-tan,branching,fan,tough
Demospongiae Agelasida Agelasidae Agelas citrina 33 Pinkish, tan or orange, ear-shaped thick fans; orange when filling crevices. The latter may be confused with Clathria faviformis Lehnert & van Soest, 1996. It may be confused with Agelas clathrodes (Schmidt, 1870), which is harder. A. citrina has a thick skin, which in some portions forms conules or it is stretched over depressions. When they co-exist in the same locality, they can be distinguised by color, being milkier and lighter in A. citrina. Spicules are acanthostyles. Alcolado, 1987 pink-lilac,orange,cream,cinnamon-tan,orange-yellow,encrusting,vase,fan,massive,lobate,tough,soft
Demospongiae Agelasida Agelasidae Agelas clathrodes 32 Orange, fan- or ridge-shaped, riddled with round and elongated-contorted holes. Often the surface which is cryptic or located downcurrent is smoother, having predominantly rounded orifices. Sometimes the fan conforms a partial vase. The outer, exposed side does not have round oscules with a dermis collar, as does Agelas sventres Lehnert & van Soest, 1996, with which this species may be confused. The latter fills crevices and forms lobes but never fans. Spicules are acanthostyles. Large specimens can adopt an elaborate shape combining fan, encrusted, massive and tube-like portions. Fan-shaped specimens may be confused with Agelas citrina Alcolado, 1987. Where they co-exist, usually A. citrina has a different color, either more milky orange-yellow or pinkish. (Schmidt, 1870) orange,brown,fan,massive,lobate,tough
Demospongiae Agelasida Agelasidae Agelas conifera 33 Browhish/pinkish/cinnamon orange, laterally fused tubes running on branches or growing on one another, and usually arising from a single base, forming antlers or clubs. Often with darker zoanthids livion on the skin. May be confused with Agelas tubulata Lehnert & van Soest, 1996, in which the tubes usually arise from the base close to the substratum. Spicules are acanthostyles. (Schmidt, 1870) brown,orange,cinnamon-tan,branching,tube,fan,lobate,tough
Demospongiae Agelasida Agelasidae Agelas dilatata 35 Light brown to tan fans, thin to rather thick; with many round oscules on the upper (exposed) surface. The underside (cryptic) is smooth, often riddled with dark zoanthids, and sometimes having a few scatteres oscules. Some specimens may take a flat-branching form, like that of some A. cervicornis (Schmidt, 1870), but the latter usually arise from a narrow, cylindrical base. Spicules are acanthostyles. Duchassaing & Michelotti, 1864 brown,orange,cinnamon-tan,branching,fan,massive,tough
Demospongiae Agelasida Agelasidae Agelas dispar 26 Brown, massive, lobate, club-shaped, fan-shaped. Surface pierced by numerous round to elongated-contorted holes, interspersed between round oscules with slightly elevated collars. Spicules are acanthostyles. Club shaped, thin individuals can be confused with Agelas cervicornis, which is branching and usually thinner. (Duchassaing & Michelotti, 1864) brown,branching,vase,fan,lobate,tough
Demospongiae Agelasida Agelasidae Agelas sceptrum 20 Withish orange, creeping or erect branches, sometimes flattened or contorted. Oscules dispersed throughout the surface, usually with a collar. Sometimes with dark zoanthids. It can be confused with branching Agelas cervicornis (Schmidt, 1870), which is brown. Spicules acanthostyles. (Lamarck, 1815) orange,cinnamon-tan,yellow,branching,tough
Demospongiae Agelasida Agelasidae Agelas schmidti 6 Thin-walled, orange thin tubes and lobes arising from a crevice-filling mass. It may be a variation of Agelas sventres Lehnert & van Soest, 1996. Agelas wiedenmayeri Alcolado, 1984 also has tubes arising from the substratum, but these are brown. Spicules acanthostyles. Wilson, 1902 orange,branching,encrusting,tube,papillated,lobate,tough
Demospongiae Agelasida Agelasidae Agelas sventres 23 Orange, football shaped to crevice filling with lobate outgrowths; round oscules with a collar. Areas with fields of pores. Previous authors called it an orange morphotype of Agelas dispar (Duchassaing & Michelotti, 1864). It can be confused with small Agelas clathrodes (Schmidt, 1870). A. sventres usually has softer, cavernous lobes crown with holes or oscules. Spicules are acanthostyles. Lehnert & van Soest, 1996 orange,encrusting,spherical,massive,lobate,tough
Demospongiae Agelasida Agelasidae Agelas tubulata 26 Tan/pinkish/orange, usually smooth tubes; if several, they usually arise directly from the substratum base of the sponge. Similar to Agelas conifera (Schmidt, 1870) in color and shape, but the latter usually shows short tubes growing on one another all attached to a narrow base, conforming clubs or antlers. Wide, barrel-shaped specimens may have deep recesses in the body, which may make them difficult to distinguish from Agelas cerebrum Assman, van Soest & Köck, 2001. In the latter, recesses are located rather uniformly throughout the body and there are scattered orifices in the areas between recesses. A. tubulata is rare in the northern Bahamas, where A. conifera and A. cerebrum are the more common similar forms. More common in southern Bahamas and South Florida (especially barrel-shaped specimens), where A. conifera is rare but exists. A. tubulata and A. conifera could be considered geographical variants of the same species, but the two forms co-exist in areas like Bahamas Jamaica and Belize. Spicules are acanthostyles. Lehnert & van Soest, 1996 brown,cinnamon-tan,orange,tube,vase,tough
Demospongiae Agelasida Agelasidae Agelas wiedenmayeri 9 Brown clusters of tubes coming up from a basal, crevice filling mass. Similar but orange tubes are Agelas sventres Lehnert & van Soest, 1996. Spicules are acanthostyles. Alcolado, 1984 brown,cinnamon-tan,tube,tough
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