Table 3. Dominant macrofaunal taxa on Costa Rica seep carbonates as a function of (A) Activity (B) Location and (C) Habitat.
| A. | |||||||
| ACTIVE > 900 m | % | INACTIVE > 900 m | % | ||||
| Pyropelta sp. 2 | 11.02 | Hydroids sp. (colonial) | 26.15 | ||||
| Provanna sp. | 9.19 | Gammaridae unid. | 13.72 | ||||
| Neolepetopsis n sp. | 6.89 | Thrausmatos sp. | 7.56 | ||||
| Lepetodrilus guaymasensis | 6.54 | Hydrozoa | 7.15 | ||||
| Pyropelta corymba | 5.7 | Gammaridae sp. 1 | 4.22 | ||||
| Pyropelta sp. 1 | 4.95 | Syllidae unid. | 3.99 | ||||
| Provanna cf. laevis | 4.6 | Tanaidacea | 2.98 | ||||
| Chrysopetalum sp. | 4.33 | Provanna sp. | 1.66 | ||||
| Paralepetopsis sp. a | 3.71 | Polynoidae unid. | 1.57 | ||||
| Hydroids sp. (colonial) | 3.4 | Phyllodocidae unid. | 1.37 | ||||
| B. | C. | ||||||
| QUEPOS LANDSLIDE | % | JACO SUMMIT | % | CLAMBED | % | MAT | % |
| Sabellidae unid. | 63.48 | Gammaridae sp. 2 | 10.62 | Thrausmatos sp. | 20.93 | Hydroids sp. (colonial) | 25.33 |
| Anthozoa sp. | 5.93 | Thrausmatos sp. | 8.67 | Gammaridae unid. | 15.16 | Thrausmatos sp. | 17.72 |
| Gastropoda unid. limpet | 4.81 | Gammaridae unid. | 8.67 | Sabellidae sp. 1 | 13.03 | Lacydoniidae spp. | 11.95 |
| Brachiopoda | 3.96 | Syllidae unid. | 5.77 | Syllidae unid. | 7.82 | Syllidae unid. | 5.32 |
| Pectinoidea | 3.37 | Solemyidae sp. | 5.07 | Hydroids sp. (colonial) | 6.49 | Gammaridae sp. 5 | 5.25 |
| Lepetodrilus guaymasensis | 2.92 | Bivalvia sp. r | 4.51 | Tanaidacea | 3.41 | Paraonidae unid. | 4.63 |
| Terebellidae unid. | 2.47 | Hesionidae sp. 1 | 3.47 | Ophiuroidea unid. | 2.66 | Ampharetidae spp. | 3.72 |
| Bivalvia unid. | 1.65 | Paraonidae unid. | 3.47 | Cirratulidae unid. | 2.52 | Spionidae sp. 3 | 1.47 |
| Lumbrineridae | 1.32 | Ampeliscid | 3.47 | Capitellidae unid. | 2.52 | Gammaridae unid. | 1.26 |
| Spionidae unid. | 1.23 | Isopoda unid. | 3.17 | Anthozoa sp. | 2.39 | Lepetodrilus guaymasensis | 1.07 |
| MOUND 11—Active | % | MOUND 11—Inactive | % | MUSSEL BED | % | TUBE WORMS | % |
| Provanna sp. | 11.87 | Gammaridae unid. | 27.40 | Provanna sp. | 12.97 | Pyropelta sp. 2 | 18.40 |
| Thrausmatos sp. | 9.98 | Hydrozoa | 15.13 | Pyropelta sp. 2 | 9.84 | Provanna sp. | 8.60 |
| Lacydoniidae spp. | 8.35 | Gammaridae sp. 1 | 9.25 | Neolepetopsis nov. sp. | 8.48 | Neolepetopsis nov. sp. | 8.24 |
| Paralepetopsis sp. a | 7.84 | Tanaidacea | 4.05 | Pyropelta corymba | 7.98 | Lepetodrilus guaymasensis | 7.96 |
| Pyropelta sp. 2 | 7.75 | Syllidae unid. | 3.53 | Lepetodrilus guaymasensis | 7.50 | Galapagomystides sp. | 6.55 |
| Gammaridae unid. | 7.10 | Phyllodocidae unid. | 3.00 | Pyropelta sp. 1 | 7.19 | Pyropelta corymba | 5.47 |
| Provanna cf. laevis | 6.09 | Provanna sp. | 2.77 | Provanna cf. laevis | 6.63 | Paralepetopsis sp. a | 5.26 |
| Pyropelta corymba | 3.49 | Ophiuroidea unid. | 2.51 | Paralepetopsis sp. a | 3.96 | Pyropelta sp. 1 | 4.32 |
| Syllidae unid. | 3.10 | Polynoidae unid. | 2.31 | Kiwa puravida | 2.93 | Provanna cf. laevis | 3.91 |
| Hydroids sp. | 3.00 | Thrausmatos sp. | 1.82 | Terebellida unid. | 2.56 | Neomphalina sp. | 3.64 |
| MOUND 12—Active | % | MOUND 12—Inactive | % | ||||
| Pyropelta sp. 2 | 12.16 | Hydroids sp. | 60.39 | ||||
| Provanna sp. | 9.32 | Thrausmatos sp. | 16.00 | ||||
| Neolepetopsis nov. sp. | 8.32 | Syllidae unid. | 3.74 | ||||
| Lepetodrilus guaymasensis | 7.59 | Gammaridae unid. | 2.87 | ||||
| Pyropelta corymba | 6.37 | Ophiuroidea sp. 1 | 1.43 | ||||
| Pyropelta sp. 1 | 5.86 | Polycirrus sp. 1 | 0.96 | ||||
| Provanna cf. laevis | 4.64 | Tanaidacea | 0.94 | ||||
| Thrausmatos sp. | 3.73 | Lumbrineridae | 0.93 | ||||
| Hydroids sp. | 3.64 | Hesionidae sp. 3 (deletabile) | 0.91 | ||||
| Paralepetopsis sp. a | 3.30 | Hesionidae spp. | 0.83 | ||||
| MOUND QUEPOS—Active | % | MOUND QUEPOS—Inactive | % | ||||
| Galapagomystides sp. | 58.33 | Actiniaria | 13.98 | ||||
| Escarpia sp. | 16.67 | Ophiuroidea sp. 5 | 11.98 | ||||
| Nemertea spp. | 14.29 | Polynoidae unid. | 7.76 | ||||
| Hesionidae spp. | 3.57 | Ophiuroidea sp. 1 | 7.30 | ||||
| Diploura sp. | 1.19 | Provanna sp. | 5.99 | ||||
| Cirratulidae unid. | 1.19 | Ophiuroidea sp. 6a | 5.99 | ||||
| Bivalvia juv. | 1.19 | Lepetodrilus guaymasensis | 3.99 | ||||
| Ampharetidae sp. 1 | 1.19 | Ophiuroidea sp. 5a | 3.99 | ||||
| Eurythoe sp. | 1.19 | Bathyacmaea sp. | 3.99 | ||||
| Chiton sp. 4 | 1.19 | Hydrozoa | 3.76 | ||||
| JACO WALL—Active | % | JACO WALL—Inactive | % | ||||
| Sabellidae sp. 1 | 33.16 | Syllidae unid. | 14.13 | ||||
| Syllidae unid. | 9.63 | Hesionidae sp. blue | 11.11 | ||||
| Terebellidae sp. 2 | 8.56 | Tanaidacea | 10.57 | ||||
| Cirratulidae unid. | 6.42 | Paraonidae unid. | 9.77 | ||||
| Capitellidae unid. | 6.42 | Cirripedia | 9.72 | ||||
| Lepetodrilus guaymasensis | 4.28 | Cirratulidae unid. | 6.52 | ||||
| Gammaridae unid. | 3.21 | Gammaridae sp. 5 | 6.21 | ||||
| Ampharetidae spp. | 3.21 | Terebellida unid. | 4.44 | ||||
| Polynoidae unid. | 2.67 | Hydroids sp. | 4.44 | ||||
| Hesionidae spp. | 2.14 | Nemertea spp. | 3.90 |