Early Cretaceous Freshwater Fish Fauna in Kyushu, Japan

206 Yoshitaka Yabumoto
1mm
Fig. 72. Diplomistus kokuraensis Uyeno, 1979. A, predorsal scutes of the paratype, KMNH
VP 100,033. B, predorsal scutes of the holotype, KMNH VP100.031. From Uyeno,
1979.
vertebral column at the maximum depth of the body is contained 2.6 times in the
depth between the abdominal vertebral column and the ventral margin of the body.
In KMNH VP 100,206, the body depth is contained 2.7 times in the standard
length. The head length is contained 3.7 times in the standard length. The
number ofdorsal fin rays is over 6. The number ofdorsal fin pterygiophores is over
8. The numberofanal fin pterygiophores is 23. The number ofscutes between the
pelvic and anal fins is 8. The total number of vertebrae is 35, with 16 caudal
vertebrae. The number of ribs is 17. The depth between the dorsal margin of the
body and the abdominal vertebral column at the maximum depth of the body is
contained 2.5 times in the depth between the abdominal vertebral column and the
ventral margin of the body.
In KMNH VP 100,207, the body depth is contained 2.7 times in the standard
length. The head length is contained 3.7 times in the standard length. The
number of dorsal fin rays is 10. The number of dorsal fin pterygiophores is 10. Six
predorsal scutes are visible. The number of ventral scutes is 17, with 8 scutes
between the pectoral and pelvic fins, and 9 scutes between the pelvic and anal fins.
The total number of vertebrae is 35, with 19 abdominal and 16 caudal vertebrae.
The number of ribs is 17. The depth between the dorsal margin of the body and the
abdominal vertebral column at the maximum depth of the body is contained 2.8
times in the depth between the abdominal vertebral column and the ventral margin
of the body.