TY - RPRT TI - The "terminal Triassic catastrophic extinction event" in perspective: A review of carboniferous through Early Jurassic terrestrial vertebrate extinction patterns AU - R. E. Weems PY - 1992 DO - 10.1016/0031-0182(92)90111-h UR - https://pubs.usgs.gov/publication/70016997 ID - 70016997 ER -