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ŽÊ^‚̃XƒP[ƒ‹ƒo[‚Í1cm; Scale bar =1 cm

ƒKƒrƒIƒZƒ‰ƒX@ƒGƒ]ƒGƒ“ƒ[
Gabbioceras yezoense Shigeta
ŽY’nEŽYo‘w™Ã
Occurrence
’†ì’¬@‰ÚˆÎ‘wŒQ@²‹vì‘w
Nakagawa Town
Yezo Group, Sakugawa Formation
Žž‘ã
Age
’†¶‘ã”’ˆŸ‹IŒãŠú@ƒZƒmƒ}ƒjƒAƒ“
Late Cretaceous Cenomanian
ÌWŽÒ
Collector
‘ì_Ži

Žû‘ ”Ô†FNMA00132

•¶Œ£G‘ìE¼–ìi1999j–kŠC“¹’†ì’nˆæ‚̃Zƒmƒ}ƒjƒAƒ“ŠKƒAƒ“ƒ‚ƒiƒCƒgŒQWD’†ì’¬‹½“yŽ‘—¿ŠÙ‹I—vuŽ©‘RŽ‚ÌŒ¤‹†v‘æ‚Q†C1-40D

ŽÊ^‚̃XƒP[ƒ‹ƒo[‚Í1cm; Scale bar =1 cm

ƒKƒrƒIƒZƒ‰ƒX@ƒ~ƒJƒTƒGƒ“ƒ[
Gabbioceras mikasaense Shigeta
ŽY’nEŽYo‘w™Ã
Occurrence
’†ì’¬@‰ÚˆÎ‘wŒQ@²‹vì‘w
Nakagawa Town
Yezo Group, Sakugawa Formation
Žž‘ã
Age
’†¶‘ã”’ˆŸ‹IŒãŠú@ƒZƒmƒ}ƒjƒAƒ“
Late Cretaceous Cenomanian
ÌWŽÒ
Collector
¼–ìFM

Žû‘ ”Ô†FNMA00134

•¶Œ£G‘ìE¼–ìi1999j–kŠC“¹’†ì’nˆæ‚̃Zƒmƒ}ƒjƒAƒ“ŠKƒAƒ“ƒ‚ƒiƒCƒgŒQWD’†ì’¬‹½“yŽ‘—¿ŠÙ‹I—vuŽ©‘RŽ‚ÌŒ¤‹†v‘æ‚Q†C1-40D

ŽÊ^‚̃XƒP[ƒ‹ƒo[‚Í1cm; Scale bar =1 cm

ƒeƒgƒ‰ƒSƒjƒeƒXiƒeƒgƒ‰ƒSƒjƒeƒXjƒOƒ‰ƒuƒ‹ƒX
Tetragonites (Tetragonites) glabrus (Jimbo)
ŽY’nEŽYo‘w™Ã
Occurrence
¬•½’¬@‰ÚˆÎ‘wŒQ
Obira Town
Yezo Group,
Žž‘ã
Age
’†¶‘ã”’ˆŸ‹IŒãŠú@ƒ`ƒ…[ƒƒjƒAƒ“
Late Cretaceous Turonian
ÌWŽÒ
Collector
•l–{@–¾
Žû‘ ”Ô†FNMA00450

ŽÊ^‚̃XƒP[ƒ‹ƒo[‚Í1cm; Scale bar =1 cm

ƒeƒgƒ‰ƒSƒjƒeƒXiƒeƒgƒ‰ƒSƒjƒeƒXjƒ~ƒjƒ€ƒX
Tetragonites (Tetragonites) minimus Shigeta
ŽY’nEŽYo‘w™Ã
Occurrence
’†ì’¬@‰ÚˆÎ‘wŒQ@ƒIƒ\ƒEƒVƒiƒC‘w
Nakagawa Town
Yezo Group, Osoushinai Formation
Žž‘ã
Age
’†¶‘ã”’ˆŸ‹IŒãŠú@ƒJƒ“ƒpƒjƒAƒ“
Late Cretaceous Campanian
ÌWŽÒ
Collector
Eˆõ
Žû‘ ”Ô†FNMA00274

ŽÊ^‚̃XƒP[ƒ‹ƒo[‚Í1cm; Scale bar =1 cm

ƒeƒgƒ‰ƒSƒjƒeƒXiƒeƒgƒ‰ƒSƒjƒeƒXjƒ|ƒyƒeƒ“ƒVƒX
Tetragonites (Tetragonites) popetensis (YABE)
ŽY’nEŽYo‘w™Ã
Occurrence
’†ì’¬²‹v@‰ÚˆÎ‘wŒQ
Nakagawa Town, Saku
Yezo Group,
Žž‘ã
Age
’†¶‘ã”’ˆŸ‹IŒãŠú
Late Cretaceous
ÌWŽÒ
Collector
‰¡ˆäŠˆé
Žû‘ ”Ô†FKYC614

ŽÊ^‚̃XƒP[ƒ‹ƒo[‚Í1cm; Scale bar =1 cm

ƒeƒgƒ‰ƒSƒjƒeƒXiƒeƒgƒ‰ƒSƒjƒeƒXjƒGƒsƒSƒkƒX
Tetragonites (Tetragonites) epigonus (KOSSMAT)
ŽY’nEŽYo‘w™Ã
Occurrence
“Ï‘O’¬ŒÃ’O•Ê@‰ÚˆÎ‘wŒQ
Tomamae Town, Kotambetsu
Yezo Group,
Žž‘ã
Age
’†¶‘ã”’ˆŸ‹IŒãŠú@
Late Cretaceous
ÌWŽÒ
Collector
‰¡ˆäŠˆé
Žû‘ ”Ô†FKYC289

ŽÊ^‚̃XƒP[ƒ‹ƒo[‚Í1cm; Scale bar =1 cm

ƒTƒnƒŠƒjƒeƒX@ƒeƒVƒIƒGƒ“ƒVƒX
Saghalinites teshioensis Matsumoto
ŽY’nEŽYo‘w™Ã
Occurrence
’†ì’¬@ˆÀì‘w
Nakagawa Town
Yasukawa Formation
Žž‘ã
Age
’†¶‘ã”’ˆŸ‹IŒãŠú@ƒJƒ“ƒpƒjƒAƒ“
Late Cretaceous Campanian
ÌWŽÒ
Collector
ˆÉ’ë–õO
Žû‘ ”Ô†FNMA00410