Promesostomidae (cont.)

Promesostominae (cont.)

Promesostoma neglectum Karling, 1967

Promesostoma norvegicum Karling, 1967

Promesostoma nynaesiense Karling, 1957

Promesostoma ovoideum (Schmidt, 1852)

Promesostoma paracochleare Ax, 1952

Promesostoma rostratum Ax, 1951

Promesostoma sartagine Ax & Ehlers, 1973

Promesostoma scylax Marcus, 1952

Promesostoma serpentistylum Ax, 1952

Promesostoma solea (Schmidt, 1857)

Promesostoma spirale Beklemischev, 1953

Promesostoma spiriferum Karling, 1967

Promesostoma tenebrosum Ax & Ehlers, 1973

Promesostoma fibulatum Ax & Armonies, 1987

Promesostoma bilobatum Ax & Armonies, 1987

Paramesostominae

Gandalfia bilunata Willems, Artois, Vermin, Backeljau, & Schockaert, 2005

Paramesostoma neapolitanum (Graff, 1882)

Paramesostoma helgolandicum Ax, 1959

Microvahine corallicola Karling, Mack-Fira & Dörjes, 1972

Astrotorhynchus hakaiensis Van Steenkiste, Herbert & Leander, 2018

Astrotorhynchus intermedius Van Steenkiste, Herbert, & Leander, 2018

Astrotorhynchus regulatus Graff, 1905

Astrotorhynchus bifidus (McIntosh, 1874)

Trigonostomidae

Feanora brevicirrus De Clerck & Schockaert, 1995

Mahurubia clava Willems, Artois, Vermin, Backeljau, & Schockaert, 2005

Parapharyngiella involucrum Willems, Artois, Vermin, Backeljau, & Schockaert, 2005

Parapharyngiella caribbaea Diez, Reygel & Artois, 2018

Parapharyngiella steenkistei Diez, Reygel & Artois, 2018

Parapharyngiella mackfirae (Karling, 1978)

Trigonostomum messoplanoides Artois, Vermin & Schockaert, 2000

Trigonostomum franki Willems, Artois, Vermin, & Schockaert, 2004

Trigonostomum galapagoense Willems, Artois, Vermin, & Schockaert, 2004

Trigonostomum nataschae Willems, Artois, Vermin, & Schockaert, 2004

Trigonostomum spinigerum Willems, Artois, Vermin, & Schockaert, 2004

Trigonostomum tori Willems, Artois, Vermin, & Schockaert, 2004

Trigonostomum watsoni Willems, Artois, Vermin, & Schockaert, 2004

Trigonostomum australe Willems, Artois, Vermin, & Schockaert, 2004

Trigonostomum denhartogi (Karling, 1978)

Trigonostomum vanmecheleni Artois, Schockaert, Beenaerts & Reygel, 2013

Trigonostomum tillicum Van Steenkiste & Leander, 2017

Trigonostomum sinense Wang & Hu, 2019

Trigonostomum yoandrisi Diez, Reygel, & Artois, 2023

Trigonostomum setigerum Schmidt, 1852

Trigonostomum armatum (Jensen, 1878)

Trigonostomum breitfussi (Graff, 1905)

Trigonostomum brunchorsti Graff, 1905

Trigonostomum coronatum (Graff, 1882)

Trigonostomum mirabile (Pereyaslawzewa, 1892)

Trigonostomum lilliei (Graff, 1911)

Trigonostomum penicillatum (Schmidt, 1857)

Trigonostomum piriforme Pereyaslawzewa, 1892

Trigonostomum prytherchi Kepner, Ferguson & Stirewalt, 1941

Trigonostomum venenosum (Uljanin, 1870)

Beklemischeviella contorta (Beklemischev, 1927)

Beklemischeviella angustior Luther, 1943

Ptychopera alaskana Ax & Armonies, 1990

Ptychopera japonica Ax, 2008

Ptychopera unicornis Van Steenkiste & Leander, 2018

Ptychopera westbladi (Luther, 1943) Den Hartog, 1964

Ptychopera avicularis Karling, 1974

Ptychopera ehlersi Ax, 1971

Ptychopera hartogi Ax, 1971

Ptychopera plebeia (Beklemischev, 1927)

Ptychopera purasjokii Ax, 1971

Ptychopera scutulifera Ehlers & Ax, 1974

Ptychopera spinifera den Hartog, 1966

Ptychopera subterranea Ax, 1971

Ptychopera tuberculata (Graff, 1882)

Ptychopera zostericola Ax, 1971

Ceratopera cascadiensis Van Steenkiste & Leander, 2017

Ceratopera complicata Van Steenkiste & Leander, 2017

Ceratopera canariensis (Ehlers & Ehlers, 1980)

Ceratopera aremorica (Ehlers & Sopott-Ehlers, 1989)

Ceratopera elegans (Luther, 1948)

Ceratopera falcata (Ax, 1953)

Ceratopera floralis (Ehlers, 1974)

Ceratopera geminata (den Hartog, 1966)

Ceratopera globulifera (Artois, Vermin & Schockaert, 2000)

Ceratopera helgolandica (Ax, 1971)

Ceratopera minuta (Artois, Vermin & Schockaert, 2000)

Ceratopera pacifica (Karling, 1986)

Ceratopera roscoffensis (Ehlers, 1980)

Ceratopera rugata (Ehlers, 1974)

Ceratopera spiralis (Artois, Vermin & Schockaert, 2000)

Ceratopera flabellifera (den Hartog, 1964)

Ceratopera gracilis (Graff, 1882)

Ceratopera axi (Riedl, 1954)

Ceratopera bermudensis Karling, 1986

Ceratopera ehlersi Karling, 1986

Ceratopera paradoxa (Pereyaslawzewa, 1892)

Ceratopera paragracilis Ehlers & Ax, 1974

Ceratopera pilifera Karling, 1986

Ceratopera reisingeri (Riedl, 1959)

Ceratopera sellai (Steinböck, 1933)

Ceratopera steinboecki (Riedl, 1959)

Lutheriella diplostyla den Hartog, 1966

Cryptostiopera cornuta Ax, 1974

Petaliella spiracauda Ehlers, 1974

Brederveldia bidentata Van der Velde & Van de Winkel, 1975

Proxenetes arctica Ax & Armonies, 1990