ammonites
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Ursida

Synonymy list
YearName and author
1976Ursida Tedford p. 372
1987Ursida Barnes p. 3
1988Ursida Barnes p. 2
1989Ursida Barnes p. 3
1992Ursida Barnes p. 3
1994Ursida Tedford et al. p. 12
1998Ursida Rice
2005Ursida Wang et al. p. 6

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