Most Popular Links
related agencies
California Digital Reference Collection Home | Family Level | Level 1 Taxonomy | Level 2 Taxonomy
Jump to:
Ephemeroptera Odonata Plecoptera Hemiptera Megaloptera Neuroptera Trichoptera Lepidoptera Coleoptera Diptera Non-Insects

Cnidaria
| Key Characters | 20 freshwater species in U.S. 1 - 25 mm in length. Body is radially symmetrical, tentacles have nematocysts (stinging cells). |
| Tolerance | 5 |
| Distribution | CA, OR, WA, NV, AZ, Baja |

