Table 4. Systematic inventory of conspicuous marine macroinvertebrates observed at sites surveyed in Area 4 of the 1992 American Samoa Coastal Resources Inventory. A = abundant; C = Common; O = Occasional; R = rare. Site No. 22 Site No. 25 6 m 18 m 6 m 18 m Phylum Porifera ?Class Calcarea unidentified yellow sponge R C - - Class Demospongiae Order Dictyoceratida Family Dysideidae Dysidea spp. - C - - Order Hadromerida Family Suberitidae Stylotella agminata (Ridley) O C C C unidentified orange sponge - - R O Phylum Cnidaria Class Anthozoa Order Alcyonacea Family Alcyoniidae Cladiella sp. O - C - Lobophytum spp. C R - - Sarcophyton spp. - O - O Sinularia spp. O - - R Order Actiniaria Family Thalassianthidae Heterodactyla cf. hemprichii Ehrenberg - - R - Cryptodendrum adhaesivum Klunzinger R - - - Family Stichodactylidae Stichodactyla mertensii Brandt - - O - Phylum Mollusca Class Gastropoda Order Archaeogastropoda Family Trochidae Tectus conus Gmelin - - - R Tectus pyramis (Born) - - R - Table 4. Continued. Site No. 22 Site No. 25 6 m 18 m 6 m 18 m Family Turbinidae Astraea rhodostoma Lamarck - - O R Order Mesogastropoda Family Vermetidae Dendropoma maxima Sowerby O - - - Order Neogastropoda Family Muricidae Chicoreus brunneus (Link) - - - R Drupella elata (Blainville) R - R - Family Coralliophilidae Coralliophila violacea (Kiener) O - - - Family Fasciolariidae Peristernia nassatula (Lamarck) R - - - Family Conidae Conus varius Linnaeus - - - R Order Nudibranchia Family Phyllidiidae Phyllidia varicosa Lamarck - O - - Phyllidia sp. - - - R Phyllidiella pustulosa (Cuvier) O O - O Class Bivalvia Order Ostreoida Family Gryphaeidae Hyotissa hyotis (Linnaeus) R - - - Order Veneroida Family Tridacnidae Tridacna maxima (R”ding) - - C O Phylum Arthropoda Class Crustacea Order Decapoda Family Diogenidae Trizopagurus strigatus (Herbst) - - O - Dardanus spp. - - R - Table 4. Continued. Site No. 22 Site No. 25 6 m 18 m 6 m 18 m Phylum Echinodermata Class Asteroidea Order Phanerozonia Family Ophidiasteridae Fromia monilis Perrier - R - O Linckia multifora (Lamarck) R - R O Class Echinoidea Order Regularia Family Diadematidae Echinothrix diadema (Linnaeus) - - - O Family Echinometridae Echinometra mathaei (Blainville) O - - O Echinostrephus aciculatus A. Agassiz A R A C Class Holothuroidea Order Aspidochirotida Family Holothuriidae Actinopyga mauritiana (Quoy & Gaimard) - - R - Phylum Chordata Class Ascidiacea Order Aplousobranchia Family Didemnidae Didemnum molle O - - O Order Stolidobranchia Family Styelidae Polycarpa cf. cryptocarpa (Sluiter) - O - O