Leech - Wikipedia Leeches are segmented parasitic or predatory worms that comprise the subclass Hirudinea within the phylum Annelida They are closely related to the oligochaetes, which include the earthworm, and like them have soft, muscular segmented bodies that can lengthen and contract
Hirudinea - an overview | ScienceDirect Topics Hirudinea, or true leeches, is defined as a specialized group of clitellate annelids characterized by the presence of anterior and posterior suckers, a lack of chaetae, and hermaphroditic reproductive strategies
Leech - Types, Size, Anatomy, Habitat, Diet, Lifespan, Life Cycle The name of the subclass, Hirudinea, derives from the Latin word hirudo, which translates to ‘a leech’ All the species of leeches are traditionally classified into two infraclasses: Acanthobdellidea (primitive leeches) and Euhirudinea (true leeches)
Annelid, Bloodsucking Parasite Medicinal Uses - Britannica Leech, (subclass Hirudinea), any of about 650 species of segmented worms (phylum Annelida) characterized by a small sucker, which contains the mouth, at the anterior end of the body and a large sucker located at the posterior end
Hirudinea (Leeches) - Encyclopedia. com Leeches are subdivided first into suborders based on anatomical adaptations for feeding The Rhynchobdellida, as their name implies, have a muscular proboscis that allows them to feed on blood drawn from tissues beneath an organism's skin that are well supplied by blood vessels
Leech Animal Facts - Hirudinea - A-Z Animals The leech (Hirudinea) is a predator and blood-sucking parasite that is native to almost every continent This aquatic worm is a member of the Annelida phylum, which means it’s related to the earthworm
HIRUDINEA Definition Meaning | Merriam-Webster Medical The meaning of HIRUDINEA is a subclass of hermaphroditic aquatic, terrestrial, or parasitic annelid worms distinguished by a coelom nearly obliterated by connective tissue and reduced to a series of vascular sinuses, by modification of the hindmost segments into a sucking disk, and by the absence of parapodia and setae
ITIS - Report: Hirudinea The ITIS mission is to communicate a comprehensive taxonomy of global species that enables biodiversity information to be discovered, indexed, and connected across all human endeavors
WoRMS - World Register of Marine Species - Hirudinea Système des annélides, principalement de celles des côtes de l'Égypte et de la Syrie, offrant les caractères tant distinctifs que naturels des Ordres, Familles et Genres, avec la Description des Espèces