Contact is tentatively classified as a warship, submarine type.

It is poorly attested and only tentatively classified as being related to Limilngan.

These individuals have been tentatively classified as members of a complete gun crew and all perished at their battle station.

It is tentatively classified under the suborder Argentinoidei of the order Argentiniformes (marine smelts and allies).

The other is tentatively classified as SRJH and seems comfortable in either air or water.

The remains have been tentatively classified as Homo heidelbergensis and may be ancestors of the Neanderthals.

A number of Paleozoic fossils have been tentatively classified with the brown algae, although most have also been compared to known red algae species.

They are tentatively classified as G2, or globally imperiled, under the NatureServe rankings.

- The only municipality created in 1950, tentatively classified as 3rd class "F" in the province with an average annual budget of over P15,000.00.

Yarnemia is a fossil tentatively classified as a tunicate.