Type species: Smittia tenuis Busk, 1884
This genus includes the species:
Biavicularium is very close to Metrarabdotos. Ont the NMITA website these species are included in Metrarabdotos, implying that the two genera are synonyms.
| Biavicularium auriculatum | (Canu & Bassler, 1923) | Pleistocene | USA (SE) | WoRMS 1410157 |
| Biavicularium chipolanum | Cheetham, 1968 | Miocene | USA (Florida) | WoRMS 1400308 |
| Biavicularium colligatum | (Canu & Bassler, 1919) | Pliocene | Dominican Rep. | WoRMS 1410158 |
| Biavicularium lacrymosum | (Canu & Bassler, 1919) | Pliocene | Jamaica | WoRMS 1410159 |
| Biavicularium tenue | (Busk, 1884) | Recent | Hawaii | WoRMS 1415293 |
Metrarabdotos auriculatum, Metrarabdotos colligatum, Metrarabdotos lacrymosum, and Metrarabdotos tenue at NMITA
This information is based upon various sources, but no personal knowledge. I am indebted to the late Alan Horowitz for his compilation, and to Dr. J. Pachut.
I would be grateful for corrections to, or critical reviews of this information. This is not a 'final' version (an impossible ideal), but a working document.
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