Checklist / Glossiphoniidae / Helobdella / Helobdella ringueleti
Helobdella ringueleti
· Glossiphoniidae
External morphology
Body robust and lanceolate broadest in posterior half, Anterior margin of oral sucker (I, II) unpigmented; dorsum gray to light brown with randomly arranged chromatophores; three pairs of fine supramarginal lines (fig. 8) dorsally from VIII through XXIV or XXV, most obvious in juveniles; venter lighter than dorsum in postgenital somites; three pairs of fine infra marginal lines (figs. 6, 10) from VIII through XXIV or XXV corresponding to those seen dorsally. Caudal sucker evenly pigmented , gonopores separated by 1 annulus
Internal morphology
Proboscis in membranous sheath and very long, base at XIV/XV and coiled when retracted; salivary cells arranged diffusely in parenchyma, ductules of the latter forming a bundle inserting into the base of the probos cis; oesophagus simple, not recurved; no gas tric chambers or digitiform caeca in midbody somites, only postcaeca (diverticula) from XIX through XXIV (fig. 15); intestine from XIX/XX with four lobes; anus at XXVI/ XXVII
Habitat & range
- Habitat
- Freshwater
- Region
- South America
- Recorded from
- Bolivia
Original description
Siddall, Mark E. 2001. Hirudinea from the Apolobamba in the Bolivian Andes, including three new species of Helobdella (Clitellata: Hirudinea). American Museum Novitates(3341): 1-14.