The Biscayne Roughened type is a pottery type from Englewood and the Manatee regions. The type is a "Deep pot with outflared walls" and possesses striations (Willey 1949:446).

As described by Willey 1949:446:

Definition as a type: From Englewood site

Ware characteristics: A soft, chalky pottery. Core is dark gray or black and the surfaces buff. Fire mottling is common. Surfaces may be rough or smooth. Hardness 2.5 or less.

Decoration: Scoring or striating the soft, unfired exterior surface of the vessel. Striations are shallow and 2 to 3 mm. in width. Random application (Pl. 46, g.)

Form: Deep pot with outflared walls.

Geographical range and chronological position of type: Very few data. Occurs in Manatee region, and a few sherds have been found farther north. Probably dates from Weeden Island and Englewood Periods.