Authors:
Mundil, R
Metcalfe, I
Ludwig, KR
Renne, PR
Oberli, F
Nicoll, RS
Citation: R. Mundil et al., Timing of the Permian-Triassic biotic crisis: implications from new zirconU/Pb age data (and their limitations), EARTH PLAN, 187(1-2), 2001, pp. 131-145
Citation: Rs. Nicoll et al., Designation of holotypes for new species of Iapetonudus Nicoll, Miller, Nowlan, Repetski and Ethington and Iapetognathus landing (vol 44, pg 27, 1999), J MICROPALA, 18, 1999, pp. 124-124