Authors:
DAVYDOV VI
GLENISTER BF
SPINOSA C
RITTER SM
CHERNYKH VV
WARDLAW BR
SNYDER WS
Citation: Vi. Davydov et al., PROPOSAL OF AIDARALASH AS GLOBAL STRATOTYPE SECTION AND POINT (GSSP) FOR BASE OF THE PERMIAN SYSTEM, Episodes, 21(1), 1998, pp. 11-18
Citation: Sm. Ritter et Th. Morris, OLDEST AND LOWEST LATITUDINAL OCCURRENCE OF PALAEOAPLYSINA - MIDDLE PENNSYLVANIAN ELY LIMESTONE, BURBANK HILLS, UTAH, Palaios, 12(4), 1997, pp. 397-401
Citation: Vv. Chernykh et Sm. Ritter, STREPTOGNATHODUS (CONODONTA) SUCCESSION AT THE PROPOSED CARBONIFEROUS-PERMIAN BOUNDARY STRATOTYPE SECTION, AIDARALASH CREEK, NORTHERN KAZAKHSTAN, Journal of paleontology, 71(3), 1997, pp. 459-474
Citation: Vv. Chernykh et al., STREPTOGNATHODUS ISOLATUS NEW SPECIES (CONODONTA) - PROPOSED INDEX FOR THE CARBONIFEROUS-PERMIAN BOUNDARY, Journal of paleontology, 71(1), 1997, pp. 162-164
Citation: Sm. Ritter, UPPER MISSOURIAN LOWER WOLFCAMPIAN (UPPER KASIMOVIAN LOWER ASSELIAN) CONODONT BIOSTRATIGRAPHY OF THE MIDCONTINENT, USA, Journal of paleontology, 69(6), 1995, pp. 1139-1154
Citation: Sm. Ritter, NEW SPECIES AND SUBSPECIES OF STREPTOGNATHODUS (CONODONTA) FROM THE VIRGILIAN (LATE CARBONIFEROUS) OF KANSAS, Journal of paleontology, 68(4), 1994, pp. 870-878