Thalassophilus longicornis
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Carabidae
- genus: Thalassophilus
- species: Thalassophilus longicornis
- Berg im Drautal
Carinthia- Hall
- Ratschendorf
Styria- Garsten
- Grünburg
- Sankt Ulrich bei Steyr
- Steyr
- Ternberg
- Waldneukirchen
Upper Austria
Austria- Zapfendorf
Bavaria
Germany- Amaro
- Artegna
- Forgaria nel Friuli
- Majano
- Moggio Udinese
- Osoppo
- Resiutta
- Santo Stefano
- Trasaghis
Friuli Venezia Giulia- Bolzano
- Bressanone - Brixen
- Ora - Auer
- Postal - Burgstall
Trentino-Alto Adige
Italy