Axinulus (Axinulus) A. E. Verrill & K. J. Bush, 1898 represented as Axinulus A. E. Verrill & K. J. Bush, 1898 (basis of record)
Axinulus (Axinulus) brevis (A. E. Verrill & K. J. Bush, 1898) represented as Axinulus brevis (A. E. Verrill & K. J. Bush, 1898) (basis of record)
Axinulus (Axinulus) croulinensis (Jeffreys, 1847) represented as Axinulus croulinensis (Jeffreys, 1847) (basis of record)
Axinulus (Genaxinus) Iredale, 1930 accepted as Genaxinus Iredale, 1930 (basis of record)
Axinulus (Genaxinus) eumyarius (M. Sars, 1870) accepted as Genaxinus eumyarius (M. Sars, 1870) (basis of record)
Axinus croulinensis (Jeffreys, 1847) sensu Jeffreys, 1864 accepted as Thyasira obsoleta (A. E. Verrill & K. J. Bush, 1898) (source of synonymy)
Axinus ferrugineus Locard, 1886 accepted as Mendicula ferruginosa (Forbes, 1844) (basis of record)
Axinus ferrugineus Locard, 1886 accepted as Mendicula ferruginosa (Forbes, 1844) (source of synonymy)
Axinus flexuosus (Montagu, 1803) accepted as Thyasira flexuosa (Montagu, 1803) (source of synonymy)
Axinus flexuosus (Montagu, 1803) accepted as Thyasira flexuosa (Montagu, 1803) (basis of record)
Axinus granulosus Monterosato, 1874 accepted as Thyasira granulosa (Monterosato, 1874) accepted as Parathyasira granulosa (Monterosato, 1874) (basis of record)
Axinus incrassatus Jeffreys, 1876 accepted as Leptaxinus incrassatus (Jeffreys, 1876) (basis of record)
Clausina Jeffreys, 1847 accepted as Mendicula Iredale, 1924 (basis of record)
Clausina croulinensis Jeffreys, 1847 accepted as Axinulus croulinensis (Jeffreys, 1847) (source of synonymy)
Clausina croulinensis Jeffreys, 1847 accepted as Axinulus croulinensis (Jeffreys, 1847) (basis of record)
Cryptodon obsoletus A. E. Verrill & K. J. Bush, 1898 accepted as Thyasira obsoleta (A. E. Verrill & K. J. Bush, 1898) (basis of record)
Cryptodon obsoletus A. E. Verrill & K. J. Bush, 1898 accepted as Thyasira obsoleta (A. E. Verrill & K. J. Bush, 1898) (source of synonymy)
Kellia ferruginosa Forbes, 1844 accepted as Mendicula ferruginosa (Forbes, 1844) (basis of record)
Kellia ferruginosa Forbes, 1844 accepted as Mendicula ferruginosa (Forbes, 1844) (source of synonymy)
Leptaxinus minutus A. E. Verrill & K. J. Bush, 1898 (basis of record)
Lucina ferruginosa (Forbes, 1844) accepted as Mendicula ferruginosa (Forbes, 1844) (source of synonymy)
Lucina ferruginosa (Forbes, 1844) accepted as Mendicula ferruginosa (Forbes, 1844) (basis of record)
Mendicula Iredale, 1924 (basis of record)
Mendicula ferruginosa (Forbes, 1844) (basis of record)
Mendicula pygmaea (A. E. Verrill & K. J. Bush, 1898) (basis of record)
Parathyasira Iredale, 1930 (source of synonymy)
Thyasira equalis (A. E. Verrill & K. J. Bush, 1898) accepted as Parathyasira equalis (A. E. Verrill & K. J. Bush, 1898) (additional source)
Thyasira flexuosa (Montagu, 1803) (additional source)
Thyasira gouldii (R. A. Philippi, 1845) (additional source)
Thyasira granulosa (Monterosato, 1874) accepted as Parathyasira granulosa (Monterosato, 1874) (additional source)
Thyasira minuta (A. E. Verrill & K. J. Bush, 1898) accepted as Leptaxinus minutus A. E. Verrill & K. J. Bush, 1898 (source of synonymy)
Thyasira obsoleta (A. E. Verrill & K. J. Bush, 1898) (additional source)
Thyasira subovata (Jeffreys, 1881) (additional source)
Thyasira succisa (Jeffreys, 1876) (additional source)

Adventure Bank for Thyasira succisa (Jeffreys, 1876) 
Caribbean Sea for Thyasira granulosa (Monterosato, 1874) 
Crete for Mendicula ferruginosa (Forbes, 1844) 
Danish Exclusive Economic Zone for Thyasira flexuosa (Montagu, 1803) 
England for Thyasira flexuosa (Montagu, 1803) 
English Channel for Thyasira flexuosa (Montagu, 1803) 
Falmouth for Thyasira flexuosa (Montagu, 1803) 
Fladen Ground for Thyasira equalis (A. E. Verrill & K. J. Bush, 1898) 
Greenlandic Exclusive Economic Zone for Thyasira equalis (A. E. Verrill & K. J. Bush, 1898) 
Greenlandic Exclusive Economic Zone for Thyasira gouldii (R. A. Philippi, 1845) 
Gulf of Maine for Thyasira equalis (A. E. Verrill & K. J. Bush, 1898) 
Icelandic Exclusive Economic Zone for Leptaxinus minutus A. E. Verrill & K. J. Bush, 1898 
Icelandic Exclusive Economic Zone for Mendicula pygmaea (A. E. Verrill & K. J. Bush, 1898) 
Inner Hebrides for Axinulus (Axinulus) croulinensis (Jeffreys, 1847) 
Marthas Vineyard for Thyasira obsoleta (A. E. Verrill & K. J. Bush, 1898) 
Massachusetts for Thyasira gouldii (R. A. Philippi, 1845) 
Mediterranean Sea for Mendicula ferruginosa (Forbes, 1844) 
North Sea for Axinulus (Axinulus) croulinensis (Jeffreys, 1847) 
North Sea for Axinulus (Genaxinus) eumyarius (M. Sars, 1870) 
North Sea for Mendicula ferruginosa (Forbes, 1844) 
North Sea for Mendicula pygmaea (A. E. Verrill & K. J. Bush, 1898) 
North Sea for Thyasira equalis (A. E. Verrill & K. J. Bush, 1898) 
North Sea for Thyasira flexuosa (Montagu, 1803) 
North Sea for Thyasira gouldii (R. A. Philippi, 1845) 
North Sea for Thyasira granulosa (Monterosato, 1874) 
North Sea for Thyasira obsoleta (A. E. Verrill & K. J. Bush, 1898) 
North Sea for Thyasira succisa (Jeffreys, 1876) 
North West Atlantic for Thyasira obsoleta (A. E. Verrill & K. J. Bush, 1898) 
Norwegian Exclusive Economic Zone for Axinulus (Genaxinus) eumyarius (M. Sars, 1870) 
Norwegian Exclusive Economic Zone for Axinulus (Genaxinus) eumyarius (M. Sars, 1870) 
Norwegian Exclusive Economic Zone for Leptaxinus minutus A. E. Verrill & K. J. Bush, 1898 
Norwegian Exclusive Economic Zone for Mendicula pygmaea (A. E. Verrill & K. J. Bush, 1898) 
Norwegian Exclusive Economic Zone for Thyasira equalis (A. E. Verrill & K. J. Bush, 1898) 
Norwegian Exclusive Economic Zone for Thyasira flexuosa (Montagu, 1803) 
Norwegian Exclusive Economic Zone for Thyasira gouldii (R. A. Philippi, 1845) 
Nova Scotia for Mendicula pygmaea (A. E. Verrill & K. J. Bush, 1898) 
Shetlands for Thyasira gouldii (R. A. Philippi, 1845) 
Skagerrak for Mendicula pygmaea (A. E. Verrill & K. J. Bush, 1898) 

 Authority

 for Axinopsida orbiculata (G. O. Sars, 1878)

G.O. Sars, 1878 [details]

 Authority

 for Thyasira subovata (Jeffreys, 1881)

Jeffreys, 1881 [details]

 Classification

 for Thyasira obsoleta (A. E. Verrill & K. J. Bush, 1898)

Subgeneric position not clear [details]

 Classification

 for Thyasira succisa (Jeffreys, 1876)

Subgeneric position not clear [details]

 Synonymy

 for Axinulus (Axinulus) croulinensis (Jeffreys, 1847)

A. croulinensis is often confused with Thyasira obsoleta, but the two are separate species [details]

 Synonymy

 for Thyasira eumyaria (M. Sars, 1870)

synonym of Axinulus (Genaxinus) eumyarius (M. Sars, 1870) [details]

 Synonymy

 for Thyasira ferruginea (Locard, 1886)

Synonymised with Mendicula ferruginosa (Forbes, 1884) [details]

 Synonymy

 for Thyasira pygmaea (A. E. Verrill & K. J. Bush, 1898)

synonym of Mendicula pygmaea (Verrill & Bush, 1898) [details]

 Type locality

 for Axinulus (Axinulus) croulinensis (Jeffreys, 1847)

Off the Crowlin Islands, between Skye and Scotish mainland, Inner Hebrides [details]

 Type locality

 for Axinulus (Genaxinus) eumyarius (M. Sars, 1870)

Vallo-Dyb (Cristiansfjord, Norway), Lofoten, Hardangerfjord [details]

 Type locality

 for Mendicula ferruginosa (Forbes, 1844)

Off Crete, Mediterranean [details]

 Type locality

 for Mendicula pygmaea (A. E. Verrill & K. J. Bush, 1898)

Off Nova Scotia [details]

 Type locality

 for Thyasira equalis (A. E. Verrill & K. J. Bush, 1898)

Gulf of Maine [details]

 Type locality

 for Thyasira flexuosa (Montagu, 1803)

Falmouth Harbour, Cornwall [details]

 Type locality

 for Thyasira gouldii (R. A. Philippi, 1845)

Off Massachusetts, USA [details]

 Type locality

 for Thyasira granulosa (Monterosato, 1874)

Probably Cape Santo Vito, Sicily [details]

 Type locality

 for Thyasira obsoleta (A. E. Verrill & K. J. Bush, 1898)

Off Martha's Vineyard [details]

 Type locality

 for Thyasira sarsii (R. A. Philippi, 1845)

Norvegian seas [details]

 Type locality

 for Thyasira succisa (Jeffreys, 1876)

Adventure Bank, Mediterranean [details]