ORDOVICIAN FOSSIL LAGYNOCYSTIS-PYRAMIDALIS (BARRANDE) AND ANCESTRY OF AMPHIOXUS

[1] [Anonymous], 1930, STUDIES STRUCTURE DE, DOI DOI 10.5962/BHL.TITLE.82144

[2] Azariah J., 1966, Journal of the Marine Biological Association of India, V7, P58

[3] BALABAI P P, 1951, Dokl Akad Nauk SSSR, V77, P341

[4] Barrande J., 1887, SYSTEME SILURIEN CTR

[5] BARRINGTON EJW, 1965, BIOLOGY HEMICHORDATA

[6] Berrill NJ, 1955, ORIGIN VERTEBRATES

[7] ORGANIZATION OF ATRIAL NERVOUS SYSTEM OF AMPHIOXUS (BRANCHIOSTOMA LANCEOLATUM (PALLAS)) [J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES, 1961, 243 (704) : 241 - &

[8] BONE Q., 1958, PUBBL STAZ ZOOL NAPOLI, V30, P458

[9] CASTER KENNETH E., 1952, BULL AMER PALEONTOL, V34, P1

[10] Chauvel J., 1941, Mem Soc Geol Min Bretagne, V5, P1

[1] [Anonymous], 1930, STUDIES STRUCTURE DE, DOI DOI 10.5962/BHL.TITLE.82144

[2] Azariah J., 1966, Journal of the Marine Biological Association of India, V7, P58

[3] BALABAI P P, 1951, Dokl Akad Nauk SSSR, V77, P341

[4] Barrande J., 1887, SYSTEME SILURIEN CTR

[5] BARRINGTON EJW, 1965, BIOLOGY HEMICHORDATA

[6] Berrill NJ, 1955, ORIGIN VERTEBRATES

[7] ORGANIZATION OF ATRIAL NERVOUS SYSTEM OF AMPHIOXUS (BRANCHIOSTOMA LANCEOLATUM (PALLAS)) [J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES, 1961, 243 (704) : 241 - &

[8] BONE Q., 1958, PUBBL STAZ ZOOL NAPOLI, V30, P458

[9] CASTER KENNETH E., 1952, BULL AMER PALEONTOL, V34, P1

[10] Chauvel J., 1941, Mem Soc Geol Min Bretagne, V5, P1