181a. Two pairs of spermathecae, with pores in X and XI. External secondary annulation beginning in III. Pharyngeal glands in IV-VI. Atria pear-shaped, their distal portion can be protruded as pseudopenes.
Dorydrilus tetrathecus
181b. One single pair of spermathecae. Pharyngeal glands in IV-VII.
Step 182
3 possible taxa remaining show scientific names show common names
209 taxa excluded
show scientific names
show common names
- Aeolosoma beddardi
- Aeolosoma evelinae
- Aeolosoma flavum
- Aeolosoma gertae
- Aeolosoma headleyi
- Aeolosoma hemprichi
- Aeolosoma hyalinum
- Aeolosoma japonicum
- Aeolosoma leidyi
- Aeolosoma litorale
- Aeolosoma marcusi
- Aeolosoma niveum
- Aeolosoma olivaceum
- Aeolosoma psammophilum
- Aeolosoma quaternarium
- Aeolosoma sawayai
- Aeolosoma tenebrarum
- Aeolosoma travancorense
- Aeolosoma variegatum
- Aeolosoma viride
- Allolobophora chlorotica
- Amphichaeta leydigi
- Amphichaeta sannio
- Aporrectodea caliginosa
- Aporrectodea handlirschi
- Aporrectodea limicola
- Arcteonais lomondi
- Aulodrilus japonicus
- Aulodrilus limnobius
- Aulodrilus pigueti
- Aulodrilus pluriseta
- Aulophorus furcatus
- Bichaeta sanguinea
- Bothrioneurum vejdovskyanum
- Branchiobdella astaci
- Branchiobdella balcanica
- Branchiobdella hexodonta
- Branchiobdella italica
- Branchiobdella parasita
- Branchiobdella pentodonta
- Branchiura sowerbyi
- Cambarincola mesochoreus
- Cernosvitoviella atrata
- Cernosvitoviella goodhui
- Cernosvitoviella immota
- Cernosvitoviella microtheca
- Cernosvitoviella minor
- Cernosvitoviella palustris
- Cernosvitoviella sphaerotheca
- Chaetogaster cristallinus
- Chaetogaster diaphanus
- Chaetogaster diastrophus
- Chaetogaster langi
- Chaetogaster limnaei
- Chaetogaster setosus
- Cognettia glandulosa
- Cognettia sphagnetorum
- Criodrilus lacuum
- Dero digitata
- Dero dorsalis
- Dero nivea
- Dero obtusa
- Dichogaster bolaui
- Dichogaster saliens
- Eclipidrilus lacustris
- Eisenia spelaea
- Eiseniella tetraedra
- Embolocephalus velutinus
- Enchytraeida
- Enchytraeidae
- Enchytraeus buchholzi
- Enchytraeus christenseni
- Epirodrilus pygmaeus
- Gianius aquaedulcis
- Gianius riparius
- Guestphalinus wiardi
- Haber speciosus
- Haber turquinae
- Haemonais waldvogeli
- Haplotaxis gordioides
- Helodrilus oculatus
- Helodrilus patriarchalis
- Henlea nasuta
- Henlea perpusilla
- Henlea ventriculosa
- Hirudinea
- Homochaeta naidina
- Homochaeta setosa
- Hystricosoma chappuisi
- Ilyodrilus templetoni
- Isochaetides michaelseni
- Krenedrilus sergei
- Lamprodrilus isoporus
- Lamprodrilus mrazeki
- Limnodrilus cervix
- Limnodrilus claparedeanus
- Limnodrilus hoffmeisteri
- Limnodrilus maumeensis
- Limnodrilus profundicola
- Limnodrilus udekemianus
- Lumbricillus fennicus
- Lumbricillus lineatus
- Lumbricillus rivalis
- Lumbriculus variegatus
- Marionina argentea
- Marionina clavata
- Marionina riparia
- Marionina southerni
- Mesenchytraeus
- Mesenchytraeus armatus
- Mesenchytraeus sanguineus
- Monopylephorus irroratus
- Monopylephorus limosus
- Nais alpina
- Nais barbata
- Nais behningi
- Nais bretscheri
- Nais christinae
- Nais communis
- Nais elinguis
- Nais pardalis
- Nais pseudobtusa
- Nais simplex
- Nais stolci
- Nais variabilis
- Ophidonais serpentina
- Paranais botniensis
- Paranais frici
- Paranais litoralis
- Pararhyacodrilus ekmani
- Pararhyacodrilus palustris
- Parvidrilidae
- Peipsidrilus pusillus
- Peristodrilus montanus
- Piguetiella blanci
- Potamodrilus fluviatilis
- Potamothrix bavaricus
- Potamothrix bedoti
- Potamothrix hammoniensis
- Potamothrix heuscheri
- Potamothrix moldaviensis
- Potamothrix vejdovskyi
- Pristina aequiseta
- Pristina longiseta
- Pristinella amphibiotica
- Pristinella bilobata
- Pristinella jenkinae
- Pristinella menoni
- Pristinella notopora
- Pristinella osborni
- Pristinella rosea
- Propappus volki
- Psammoryctides albicola
- Psammoryctides barbatus
- Psammoryctides moravicus
- Quistadrilus multisetosus
- Rheomorpha neizvestnovae
- Rhyacodrilus amphigenus
- Rhyacodrilus ardierae
- Rhyacodrilus balmensis
- Rhyacodrilus carsticus
- Rhyacodrilus coccineus
- Rhyacodrilus falciformis
- Rhyacodrilus subterraneus
- Rhynchelmis limosella
- Rhynchelmis paraolchonensis
- Rhynchelmis tetratheca
- Ripistes parasita
- Slavina appendiculata
- Sparganophilus tamesis
- Specaria josinae
- Spiridion phreaticola
- Spirosperma ferox
- Stylaria lacustris
- Stylodrilus absoloni
- Stylodrilus brachystylus
- Stylodrilus heringianus
- Stylodrilus lemani
- Stylodrilus parvus
- Tatriella slovenica
- Trichodrilus allobrogum
- Trichodrilus bonheurensis
- Trichodrilus cantabrigiensis
- Trichodrilus cernosvitovi
- Trichodrilus claparedei
- Trichodrilus diversisetosus
- Trichodrilus hrabei
- Trichodrilus intermedius
- Trichodrilus leruthi
- Trichodrilus macroporophorus
- Trichodrilus medius
- Trichodrilus moravicus
- Trichodrilus pragensis
- Trichodrilus strandi
- Trichodrilus tatrensis
- Trichodrilus tenuis
- Troglochaetus beranecki
- Tubifex blanchardi
- Tubifex ignotus
- Tubifex nerthus
- Tubifex newaensis
- Tubifex smirnowi
- Tubifex tubifex
- Tubificoides heterochaetus
- Uncinais uncinata
- Vejdovskyella comata
- Vejdovskyella intermedia
- Vejdovskyella macrochaeta
- Xironogiton instabilis
Decision path