family Serpulidae Rafinesque, 1815 (whole coast) Red fanworm, mopworm Protula bispiralis (Savigny, 1822) (Cape Point to Durban) Operculate fanworm, Serpula vermicularis Linnaeus, 1767 (Port Nolloth to southern Mozambique) Filigreed coral-worm, Filograna implexa Berkeley, 1835 (Port Nolloth to Port Elizabeth) Arthropods Pycnogonida – sea spiders Order Pantopoda Family Ammotheidae Compact sea spider, Tanystylum brevipes (Hoek, 1881) (Orange River mouth to Richards Bay) Family Nymphonidae Scarlet sea spider, Nymphon signatum Mobius, 1902 (Saldanha to East London) Superfamily Ascorhynchoidea family incertae sedis Yellow sea spider, Queubus jamesanus Barnard 1946 (Cape Peninsula to Port St. Johns) Crustacea Order Stomatopoda – mantis shrimps Family Lysiosquillidae Cape mantis shrimp, Lysiosquilla capensis Hansen, 1895 (Cape Point to Port Elizabeth) Order Decapoda Infraorder Achelata Family Palinuridae West Coast rock lobster, Jasus lalandii (H. Milne-Edwards, 1837) (Walvis Bay to Port Elizabeth) Infraorder Caridea – benthic prawns Family Alpheidae Cracker shrimp, Alpheus crassimanus Heller, 1865(Saldanha Bay to Delagoa Bay) Family Hippolytidae Crinoid shrimp, feather star shrimp Hippolyte catagrapha d'Udekem d'Acoz, 2007 (False Bay) Broken-backed shrimp, Hippolyte kraussiana Stimpson, 1860 (Saldanha Bay to East London) Family Palaemonidae Sand shrimp, Palaemon peringueyi (Macpherson, 1990) (Walvis Bay to Port St Johns) Infraorder Anomura – hermit crabs Family Diogenidae Striated hermit crab, Dardanus arrosor (Herbst, 1796) (False Bay to southern Mozambique) Pink hermit crab, Paguristes gamianus (H. Milne-Edwards, 1836) (southern Namibia to Port Elizabeth) Family Paguridae Blue-striped hermit crab, Pagurus liochele (Barnard, 1947) (False Bay to Port Elizabeth) Infraorder Brachyura – true crabs Family Calappidae Masked crab, Mursia cristiata H. Milne-Edwards, 1837 (Saldanha Bay to Sodwana Bay) synonym Mursia cristimanus Family Plagusiidae Cape rock crab, Guinusia chabrus (Linnaeus, 1758) (Luderitz to Sodwana Bay) synonym Plagusia chabrus Family Portunidae Three-spot swimming crab, Ovalipes trimaculatus (De Haan, 1833) (Luderitz to Durban) Family Pilumnoididae Kelp crab, Pilumnoides rubus Guinot & MacPherson, 1987 (Namibian border to Cape Peninsula) Family Hymenosomatidae Crown crab, Hymenosoma orbiculare Desmarest, 1825 (Namibian border to southern Mozambique) Family Dromiidae Cryptic sponge crab, Platydromia spongiosa (Stimpson, 1858) (Namibian border to Sodwana Bay) syn. Cryptodromiopsis spongiosa Furred sponge crab, Pseudodromia latens Stimpson, 1858 (Saldanha Bay to East London) Sumo crab, scrubbing-brush crab, Dromidia aegibotus Barnard, 1947 (Cape Peninsula to Port Elizabeth) Shaggy sponge crab, Dromidia hirsutissima (Lamarck, 1818) (Southern Namibia to Mossel Bay) Family Inachidae Cape long-legged spider crab, Macropodia falcifera (Stimpson, 1857) (cape Peninsula to East London) Hotlips spider crab, Achaeopsis spinulosa Stimpson, 1857 (False Bay to Durban) Family Epialtidae Toothed decorator crab, Dehaanius dentatus