Unsegmented, bilaterally symmetrical, ciliated acoelomate worms, with separate mouth and anus, a closed blood system, and an eversible muscular proboscis contained within a dorsal fluid-filled chamber, the rhynchocoel.
Source: Gibson and Knight-Jones, 1990.
The following taxa of this phylum occur in the region:
Class Anopla Order Heteronemertea Family Cerebratulidae Genus Cerebratulus Family Lineidae Genus Lineus Genus Micrura Order Palaeonemertea Family Carinomidae Genus Carinoma Family Cephalothricidae Genus Cephalothrix Genus Procephalothrix Family Hubrechtidae Genus Hubrechtella Family Tubulanidae Genus Callinera Genus Carinina Genus Tubulanus Class Enopla Order Bdellonemertea Family Malacobdellidae Genus Malacobdella Order Hoplonemertea Suborder Monostilifera Family Amphiporidae Genus Amphiporus Family Carcinonemertidae Genus Carcinonemertes Family Cratenemertidae Genus Nipponnemertes Family Emplectonematidae Genus Emplectonema Genus Nemertopsis Genus Oerstedia Genus Tetrastemma Amphiporus bioculatus Amphiporus cordiceps Amphiporus hastatus Amphiporus lactifloreus Callinera buergeri Carcinonemertes carcinophila Carinina arenaria Carinina coei Carinoma armandi Cephalothrix arenaria Cephalothrix linearis Cephalothrix rufifrons Cerebratulus fuscus Cerebratulus marginatus Emplectonema gracile Emplectonema neesii Hubrechtella dubia Lineus albocinctus Lineus bilineatus Lineus lacteus Lineus longissimus Lineus ruber Lineus sanguineus Lineus viridis Malacobdella grossa Micrura fasciolata Micrura purpurea Nemertopsis flavida Nipponnemertes pulcher Oerstedia dorsalis Procephalothrix filiformis Tetrastemma candidum Tetrastemma flavidum Tetrastemma helvolum Tetrastemma melanocephalum Tetrastemma robertianae Tetrastemma vermiculus Tubulanus annulatus Tubulanus linearis Tubulanus polymorphus Tubulanus superbus Tubulanus theeli
Kingdom Animalia Phylum Nermertina
Scientific synonyms and common names
Nemertea Nemertinea Nemertini Rhynchocoela
Gibson, R. & E.W. Knight-Jones, 1990. Platyhelminthes, nematoda, and nemertea. In: P.J. Hayward & J.S. Ryland (eds), The Marine Fauna of the British Isles and North-West Europe. Vol. 1, Introduction and Protozoans to Arthropods. Clarendon Press, Oxford, 181-200.
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