Catalaimus Cobb, 1920 accepted as Calyptronema Marion, 1870 (taxonomy source)
Dichromadora abnormis Gerlach, 1953 (original description)
Enoploides tyrrhenicus Brunetti, 1949 (taxonomy source)
Enoplolaimus litoralis Schulz, 1936 (taxonomy source)
Enoplolaimus subterraneus Gerlach, 1953 (original description)
Gammanema conicauda Gerlach, 1953 (original description)
Halalaimus cirrhatus Gerlach, 1953 (original description)
Mesacanthion hirsutum Gerlach, 1953 (original description)
Microlaimus monstrosus Gerlach, 1953 (original description)
Monoposthia mirabilis Schulz, 1932 (additional source)
Odontophora setosa (Allgén, 1929) (new combination reference)
Onyx sagittarius Gerlach, 1950 (ecology source)
Paracyatholaimoides Gerlach, 1953 (original description)
Paracyatholaimoides multispiralis Gerlach, 1953 (original description)
Paracyatholaimoides multispiralis Gerlach, 1953 (taxonomy source)
Pselionema longissimum Gerlach, 1953 (original description)
Synodontium monhystera Gerlach, 1953 accepted as Odontophoroides monhystera (Gerlach, 1953) (original description)
Tarvaia angusta Gerlach, 1953 (original description)
Theristus heterospiculoides Gerlach, 1953 (original description)

Adriatic Sea for Microlaimus monstrosus Gerlach, 1953 
Italian part of the Tyrrhenian Sea for Paracyatholaimoides multispiralis Gerlach, 1953 
Mediterranean Sea for Dichromadora abnormis Gerlach, 1953 
Tyrrhenian Sea for Bolbolaimus denticulatus Gerlach, 1953 
Tyrrhenian Sea for Calomicrolaimus monstrosus (Gerlach, 1953) Vincx, 1981