. Bulletin of the British Museum (Natural History), Geology. 348 REDFIELDIIFORM AND PERLEIDIFORM 10. The interrelationships between the redfieldiiform and perleidiform famihes are summarized in Fig. 54. 11. A functional analysis is made of the redfieldiiform skull, and it is concluded that in the Redfieldiidae food was obtained by using the buccal cavity as a suction pump. 12. The growth and development of the tail in Brookvalia gracilis is described, JURASSIC RHAETIAN NORIAN PERMIAN CARNIAN LADINIAN 6) 0 T3 •0 a. 0 ANISIAN L. fil u SCYTHIAN D •D 0 TJ c •*-> 0 c "D 0 0 •D Ci 0 X) 0 (S
. Bulletin of the British Museum (Natural History), Geology. 348 REDFIELDIIFORM AND PERLEIDIFORM 10. The interrelationships between the redfieldiiform and perleidiform famihes are summarized in Fig. 54. 11. A functional analysis is made of the redfieldiiform skull, and it is concluded that in the Redfieldiidae food was obtained by using the buccal cavity as a suction pump. 12. The growth and development of the tail in Brookvalia gracilis is described, JURASSIC RHAETIAN NORIAN PERMIAN CARNIAN LADINIAN 6) 0 T3 •0 a. 0 ANISIAN L. fil u SCYTHIAN D •D 0 TJ c •*-> 0 c "D 0 0 •D Ci 0 X) 0 (S ~ 0 < U. Fig. 54. ElonJchthyidae- Acrolepididae complex Probable phylogenetic relationships between the redfieldiiform and perleidiform Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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