Checklist / Glossiphoniidae / Helobdella / Helobdella temiscoensis
Helobdella temiscoensis
· Glossiphoniidae
External morphology
Body lanceolate, anterior end elongated, length 10.2 (7.9–13.6), width 2.3 at somite XII. Maximum width 2.9 (1.7–4.7) (n = 20). Dorsal and ventral surfaces pale brown, slightly pigmented, exhibiting blackish color especially on posterior and mid-body regions. Dorsal surface darker than venter, divided longitudinally by medial unpigmented line, absent of papillae, tubercules or any other metameric organ, Male gonopore on somite XII a1/a2, female gonopore on somite XII a2/a3. Gonopores separated by single annulus. Anus on dorsal surface at somite XXVII. Eyespots in one pair, well-separated, punctiform, on somite IV. Nuchal scute small, somewhat triangle-shaped at somite VIII a1/a2, vertex angle directed posteriorly. Somites I–II fused, somites III–IV fused, somite V biannulate, somites VI–XXIV triannulate, somites XXV–XXVI biannulate and somite XXVII uniannulate. Oral sucker somewhat triangular; mouth-pore subterminal on the anterior margin of oral sucker. Caudal sucker semicircular, directed ventrally
Habitat & range
- Habitat
- Freshwater
- Region
- North America
- Recorded from
- Mexico
Original description
Salas-Gismondi, Rodolfo, Anna J. Phillips, Gerardo Pérez-Ponce de León & Alejandro Oceguera-Figueroa. 2014. Description of a new leech species of Helobdella (Clitellata: Glossiphoniidae) from Mexico with a review of Mexican congeners and a taxonomic key. Zootaxa 3900(1): 77–94.