| KINGDOM ANIMALIA |
| PHYLUM | SUBPHYLUM | CLASS | ORDER | FAMILY | GENUS | SPECIES | COMMON NAME | Before 6/13/10 | Seen 6/13/10 | WHERE? COMMENTS? |
| Annelida | . | Oligochaeta | . | Lumbricidae | . | . | Earthworm | 4/19/09 | 6/13/10 | one or more species - difficult to identify |
| . | . | Hirodinea | . | . | . | . | Leech | . | 6/13/10 | Mill River |
| Arthropoda | Chelicerata | Arachnida | Actinedida | Trombidiidae | Trombidium | sp. | Red Velvet Mite | 5/30/10 | . | Nature Trail/Orange Trail |
| . | . | . | Araneae | Agelenidae | Agelenopsis | sp. | Web Weaver Spider | 6/13/2009 | 6/13/10 | White and Orange Trails |
| . | . | . | . | Lycosidae | . | . | Wolf Spider 1 | 4/19/09 | 6/13/10 | 2 spp. 2009, 2 spp. 2010 |
| . | . | . | . | . | . | . | Wolf Spider 2 | . | 6/13/10 | Blue Trail |
| . | . | . | . | Salticidae | Phidippus | . | Jumping Spider | 4/19/09 | 6/13/10 | . |
| . | . | . | Oraneae | Tetragnathidae | Leucauge | venusta | Orchard Orbweaver | 6/7/2009 | 6/13/10 | Blue Trail on 6/7/09, near Mill River at night on 6/13/10 |
| . | . | . | Opiliones | . | . | . | Harvestman | . | 6/13/10 | . |
| . | . | . | Prostigmata | Eriophyidae | Aculops | rhois | Poison Ivy Leaf Gall Mite | . | 6/13/10 | Throughout the Giant |
| . | . | Entagnatha | Collembola | Entomobryidae | . | . | Slender Springtail | 4/19/2009 | . | . |
| . | . | . | . | Poduridae | . | . | Hermit crab??? | 4/19/2009 | . | . |
| . | . | Malacostra | Isopoda | . | . | . | Sowbug 1 | 4/19/2009 | 6/13/10 | . |
| . | . | . | Isopoda | Philosciidae? | Philsocia | sp. | Sowbug 2 | . | 6/13/10 | Taxon currently in flux, found by Mt. Carmel Ave. and Mill River |
| . | Myriapoda | Diplopoda | Polydesmida | Geophilidae? | . | . | Millipede sp. | 4/19/09 | 6/13/10 | . |
| . | . | . | . | Polydesmidae | . | . | Millipede sp. | 4/19/2009 | . | . |
| . | . | . | . | Xystodesmidae | Apheloria | virginiensis | Millipede | 6/29/2009 | . | Red Hexagon Trail |
| . | . | . | Spirobolida | Spirobolidae | Narceus | americanus | North American millipede | Spring, 2010 | . | Blue Trail |
| . | . | Chilopoda | . | Lithobiidae | . | . | Centipede | 4/19/09 | 6/13/10 | . |
| . | . | Symphyla | . | . | . | . | . | 4/19/2009 | . | . |
| Mollusca | . | Gastropoda | Stylommatophora | Agriolimacidae | . | . | Slug | 4/19/09 | 6/13/10 | one slug was a gray non-native (2009); 3 spp. 2010 |
| . | . | . | . | Polygyridae | Triodopsis | albolabris | White-lipped Forest Snail | 8/1/2009 | . | Yellow Trail |