ammonites
Laxifenestella exserta Laseron 1918 (bryozoan)

Stenolaemata - Fenestrida - Fenestellidae

Alternative combinations: Fenestella exserta, Fenestrellina exserta

Belongs to Laxifenestella according to C. M. Reid 2003

Sister taxa: Laxifenestella borealis, Laxifenestella contracta, Laxifenestella firma, Laxifenestella lahuseni, Laxifenestella oviferosa, Laxifenestella sarytshevae, Laxifenestella stschugorensis, Laxifenestella stuckenbergi

Type specimen: AM F20199. Its type locality is Branxton railway cutting, which is in a Kungurian offshore shale in the Fenestella Shales Formation of Australia.

Ecology: stationary epifaunal suspension feeder