New sciophilous sponges from the Caribbean (Porifera: Demospongiae) Author Van, Rob W. M. text Zootaxa 2009 2107 1 40 journal article 10.5281/zenodo.187789 6593e89a-9c63-4584-9a5f-f70993e32d31 1175-5326 187789 Key to the Chondropsidae species of the Caribbean The skeleton is made up of thin strongyles, arranged in plumose bundles; no separate ectosomal skeleton; microscleres if present arcuate or unguiferate isochelae and/or sigmas. 1 Microscleres (chelae and / or sigmas) present .............................................................................................................. 4 - No microscleres ............................................................................................................................................................ 2 2 Thin smooth crusts....................................................................................................................................................... 3 - Tubular sponges .................................................................................................................... Strongylacidon bermudae 3 Color mottled brown (keeps in alcohol) ...................................................................................... Batzella fusca n. sp. - Color rose (off-white in alcohol); strongyles often crooked................................................................... Batzella rosea 4 Chelae present (may be rare) ........................................................................................................................................ 6 - No chelae, only microscleres present are sigmas ......................................................................................................... 5 5 Color green (keeps in alcohol), a single category of sigmas ....................................................... Strongylacidon viride - Color red (white in alcohol)...................................................................................................... Strongylacidon rubrum 6 Chelae unguiferate ....................................................................................................................................................... 7 - Chelae arcuate, no sigmas..................................................................................................... Strongylacidon poriticola 7 Strongyles less than 200 µm, sigmas present .......................................................................... Strongylacidon griseum - Strongyles 200–300 µm, no sigmas......................................................................... Strongylacidon unguiferum n. sp.