Checklist / Glossiphoniidae / Helobdella / Helobdella echoensis
Helobdella echoensis
· Glossiphoniidae
External morphology
Dorsum light to yellowish grey sometimes with greenish tint, 1 pairs of eyes.
Internal morphology
6 pairs of testisacs, 6 pairs of crop caeca, 6th crop caeca directed posteriorly and extending to 4th intestinal caecum, 4 pairs intestinal caeca with 1st two pairs slightly curved upward and third pair flat and last pair curved downward.
Habitat & range
- Habitat
- Freshwater
- Region
- North America
- Recorded from
- USA
Original description
Saglam, Naim; Kutschera, Ulrich; Saunders, Ralph; Saidel, William M.; Balombini, Katherine L. W; Shain, Daniel H. (2018). Phylogenetic and morphological resolution of the Helobdella stagnalis species-complex (Annelida: Clitellata: Hirudinea). Zootaxa. 4403(1): 61-86.