Tetanopsyrus

Tetanopsyrus is a genus of Acanthodii. There are two species of this genus that lived through the lower Devonian (Lochkovian), some 416 to 359 million years ago.
"Tetanopsyrus lindoei".
Authority: Gagnier, Hanke and Wilson, 1999
Size: Length: 4 cm
Remains: Holotype (UALVP 39078): articulated skeleton.
Referred Materials: UALVP 32571, 38682, and 43026.
Age and Distribution: Horizon: lower Devonian (Lochkovian).
Locality: MOTH locality outcrop in the Mackenzie Mountains, western Northwest Territories, Canada.
Classification: Acanthodii Diplacanthiiformes Tetanopsyridae
"Tetanopsyrus breviacanthias".
Authority: Hanke, Davis and Wilson, 2001
Size: Length: 4 cm
Remains: (UALVP 43246): articulated skeleton
Referred Materials: UALVP 39062 (partial); UALVP 42512; UALVP 43089 (juvenile); UALVP 44030 (juvenile); UALVP 45153
Age and Distribution: Horizon: lower Devonian (Lochkovian)
Locality: MOTH locality outcrop in the Mackenzie Mountains, western Northwest Territories, Canada.
Classification: Acanthodii Diplacanthiiformes Tetanopsyridae