Baculites ovatus
Baculites ovatus est species exstincta Cephalopodum Ammonitidarum. Species a Thoma Say Philadelphiano anno 1820 descripta est (nomine Baculites ovata) e fossili Cretaceo superiori in  Novae Caesareae effosso, ab amico Reuben Haines servato. Holotypus, Say et Haines mortuis, deperditum esse censebatur, sed in collectu Haines recentissime repertus est.

Notae

Bibliographia 
 Matthew R. Halley, "Rediscovery of the holotype of the extinct cephalopod Baculites ovatus Say, 1820 after nearly two centuries" in Proceedings of the Academy of Natural Sciences of Philadelphia vol. 167 (2019) pp. 1-9
 Thomas Say, "Observations on some species of Zoophytes, Shells,  &c. principally  fossil" in American Journal of Science and Arts vol. 1 (1819) pp. 381–387; vol. 2 (1820) pp. 34–45 Pars 1 Pars 2 apud Biodiversity Heritage Library

Nexus externi 

Cephalopoda
Taxa Say
Taxa 1820
Cretaceo nata
Cretaceo exstincta
Species animalium