TRILOBITES AND ORIGIN OF ARTHROPODS

[51] Stormer L., 1942, NORSK GEOLOGISK TIDD, V21, P50

[52] Stormer L., 1955, TREATISE INVERTEBRAT

[53] Stormer L., 1939, NORSK GEOL TIDSSKRIF, V19, P143

[54] STORMER L, 1944, SKR VIDENSK AKAD OSL

[55] STORMER LEIF, 1951, NORSK GEOL TIDSSKR, V29, P108

[56] SOFT PARTS OF CEPHALOPODS AND TRILOBITES - SOME SURPRISING RESULTS OF X-RAY EXAMINATIONS OF DEVONIAN SLATES [J]. SCIENCE, 1970, 170 (3964) : 1300 - &

[57] THE EVOLUTION OF THE ARTHROPODA [J]. BIOLOGICAL REVIEWS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, 1958, 33 (03): : 255 - 337

[58] THE ONTOGENY OF TRILOBITES [J]. BIOLOGICAL REVIEWS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, 1957, 32 (04): : 421 - 469

[59] WHITTINGTON HB, 1971, GEOL SURV CAN B

[60] WHITTINGTON HB, IN PRESS

[51] Stormer L., 1942, NORSK GEOLOGISK TIDD, V21, P50

[52] Stormer L., 1955, TREATISE INVERTEBRAT

[53] Stormer L., 1939, NORSK GEOL TIDSSKRIF, V19, P143

[54] STORMER L, 1944, SKR VIDENSK AKAD OSL

[55] STORMER LEIF, 1951, NORSK GEOL TIDSSKR, V29, P108

[56] SOFT PARTS OF CEPHALOPODS AND TRILOBITES - SOME SURPRISING RESULTS OF X-RAY EXAMINATIONS OF DEVONIAN SLATES [J]. SCIENCE, 1970, 170 (3964) : 1300 - &

[57] THE EVOLUTION OF THE ARTHROPODA [J]. BIOLOGICAL REVIEWS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, 1958, 33 (03): : 255 - 337

[58] THE ONTOGENY OF TRILOBITES [J]. BIOLOGICAL REVIEWS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, 1957, 32 (04): : 421 - 469

[59] WHITTINGTON HB, 1971, GEOL SURV CAN B

[60] WHITTINGTON HB, IN PRESS