ADDITIONAL MIDDLE CAMBRIAN TRILOBITES FROM THE WHEELER SHALE OF UTAH.ROBISON RA.1971; J. PALEONTOL.; USA; 1971, VOL. 45, NUM. 0005, P. 796 A 804Miscellaneous

TREATISE ON INVERTEBRATE PALEONTOLOGY.ROBISON RA.1977; LETHAIA; NORVEGE; DA. 1977; VOL. 10; NO 4; PP. 326Article

HYPOSTOMA OF AGNOSTID TRILOBITESROBISON RA.1971; GEOL. SOC. AMER., ABSTR. PROGRAMS; U.S.A. ; 1971, VOL. 3, NUM. 0007, P. 685 A 686Serial Issue

MODE OF LIFE AGNOSTID TRILOBITESROBISON RA.sdIN: 24E CONGR. GEOL. INT. MONTREAL, 1972; OTTAWA 24E CONGR. GEOL. INT. ,1972, VOL. 7, P. 33 A 40Miscellaneous

MIDDLE CAMBRIAN TRILOBITE BIOSTRATIGRAPHY OF THE GREAT BASIN.ROBISON RA.1976; BRIGHAM YOUNG UNIV. GEOL. STUD.; U.S.A.; DA. 1976; VOL. 23; NO 2; PP. 93-109; BIBL. 1 P. 1/2; 5 ILL.; (PALEONTOL DEPOSITIONAL ENV. CAMBRIAN WESTERN NORTH AMERICA. SYMP.; SALT LAKE CITY; 1975)Conference Paper

SPECIES DIVERSITY AMONG AGNOSTOID TRILOBITES.ROBISON RA.sdFOSSILS AND STRATA; NORWAY; (EVOL. MORPHOL. TRILOBITA, TRILOBITOIDEA MEROSTOMATA. PROC. NATO ADV. STUD. INST.; OSLO; 1973),1973,1975, NUM. 0004, P. 219 A 226Miscellaneous

ANNELIDS FROM THE MIDDLE CAMBRIAN SPENCE SHALE OF UTAH.ROBISON RA.1969; J. PALEONTOL.; USA; 1969(9), VOL. 43, NUM. 0005, P. 1169 A 1173Miscellaneous

LARGER BIVALVE ARTHROPODS FROM THE MIDDLE CAMBRIAN OF UTAHROBISON RA; RICHARDS BC.1981; UNIV. KANS. PALEONTOL. CONTRIB., PAP.; ISSN 0075-5052; USA; DA. 1981-12-16; VOL. 106; 19; BIBL. 33 REF.; 9 PLANCH. ; ILL.Serial Issue

SUBDIVISION OF THE CAMBRIAN SYSTEM; ARE TRADITIONAL BOUNDARIES APPROPRIATE.ROBISON RA; ROWELL AJ.sdIN: 25. INT. GEOL. CONGR. ABS.; SYDNEY; 1976; CANBERRA; PRINT. UNION OFFSET; DA. S.D.; VOL. 1; PP. 279-280Conference Paper

REVISION OF A LATE MIDDLE CAMBRIAN TRILOBITE FAUNULE FROM NORTHWESTERN QUEENSLAND.JELL PA; ROBISON RA.1978; UNIV. KANSAS PALEONTOL. CONTRIB., PAPER; U.S.A.; DA. 1978; NO 90-91; PP. 1-21; H.T. 4; BIBL. 2 P.; 6 ILL.Article

A CAMBRIAN CORYNEXOCHOID TRIOBLITE WITH ONLY TWO THORACIC SEGMENTS.ROBISON RA; CAMPBELL DP.1974; LETHAIA; NOR; 1974, VOL. 7, NUM. 0004, P. 273 A 282Serial Issue

CTENOCYSTOIDEA : NEW CLASS OF PRIMITIVE ECHINODERMS.ROBISON RA; SPRINKLE J.1969; SCIENCE; USA; 1969(12), VOL. 166, NUM. 3912, P. 1512 A 1514Miscellaneous

MEDUSOIDS FROM THE MIDDLE CAMBRIAN OF UTAHWILLOUGHBY RH; ROBISON RA.1979; J. PALEONTOL.; USA; DA. 1979; VOL. 53; NO 2; PP. 494-500; BIBL. 33 REF.; 2 ILL.Article

TRILOBITES IN UTAH FOLKLORE.TAYLOR ME; ROBISON RA.1976; BRIGHAM YOUNG UNIV. GEOL. STUD.; U.S.A.; DA. 1976; VOL. 23; NO 2; PP. 1-5; BIBL. 11 REF.; 2 ILL.; (PALEONTOL. DEPOSITIONAL ENV. CAMBRIAN WESTERN NORTH AMERICA. SYMP.; SALT LAKE CITY; 1975Conference Paper

REVISION OF CAMBRIAN STRATIGRAPHY,SILVER ISLAND MOUNTAINS,UTAH.ROBISON RA; PALMER RA.1968; AMER. ASS. PETROLEUM GEOLOGISTS BULL.; USA; 1968(1), VOL. 52, NUM. 0001, P. 167 A 171Miscellaneous

MIDDLE CAMBRIAN STRATIGRAPHY OF THE HOUSE, WAH WAH, AND ADJACENT RANGES IN WESTERN UTAH.HINTZE LF; ROBISON RA.1975; GEOL. SOC. AMER., BULL.; USA; 1975, VOL. 86, NUM. 0007, P. 881 A 891Serial Issue

TREMADOCIAN TRILOBITES FROM THE NOCHIXTLAN REGION,OAXACA,MEXICO.ROBISON RA; PANTOJA ALOR J.1968; J. PALEONTOL.; USA; 1968(5), VOL. 42, NUM. 0003, P. 767 A 800Miscellaneous

CAMBRIAN BOUNDARIES AND DIVISIONS.ROBISON RA; ROSOVA AV; ROWELL AJ et al.1977; LETHIA; NORVEGE; DA. 1977; VOL. 10; NO 3; PP. 257-262; BIBL. 23 REF.Article