PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Pterotrigonia (Scabrotrigonia) eufaulensis

Bivalvia - Trigoniida - Megatrigoniidae

Taxonomy

Trigonia eufaulensis was named by Gabb (1860) [m. kosnik taxon no: 1928].

It was recombined as Pterotrigonia (Scabrotrigonia) eufaulensis by Kosnik (2002).

Sister species lacking formal opinion data

P. coihuicoensis, P. eufalensis, P. marionensis, P. longiloba, P. cramei, P. rogersi, P. savagei, P. thomsoni, Scabrotrigonia bartrami, Scabrotrigonia pseudaliformis, Scabrotrigonia undulata

Year	Name and author
2002	Pterotrigonia (Scabrotrigonia) eufaulensis Kosnik

Time interval	Ma	Country or state	Original ID and collection number
Campanian	83.6 - 72.2	USA (North Carolina)	Trigonia eufaulensis (190551)
Early/Lower Campanian	83.6 - 72.2	USA (New Jersey)	Pterotrigonia eufaulensis (88610)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (New Jersey)	Trigonia eufaulensis (3868 3870 3883)
Early/Lower Maastrichtian	72.2 - 66.0	USA (Mississippi)	Pterotrigonia eufaulensis (4101 4103 4104 4105 4107 4108 4109 4112 4113 4114 4115 4116 4118 4119)
Early/Lower Maastrichtian	72.2 - 66.0	USA (Alabama)	Pterotrigonia eufaulensis (4238 4239 4240 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4253 4254 4255 4256 4259 4261 4262 4270 4272 4284 4285 4326 4327 4328 4329 4330 4331)
Early/Lower Maastrichtian	72.2 - 66.0	USA (Georgia)	Pterotrigonia eufaulensis (4269 4277 4297 4298 4299 4312 4336 4337 4338 4341)
Early/Lower Maastrichtian	72.2 - 66.0	USA (Maryland)	Trigonia eufaulensis (125950)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Alabama)	Pterotrigonia eufaulensis (4186 4217 4219 4220 4226 4235 4237) Scabrotrigonia eufaulensis (83237 83238)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Mississippi)	Pterotrigonia eufaulensis (4106 4125 4126 4127 4129 4136 4137 4142 4168)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Maryland)	Pterotrigonia eufaulensis (4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4376)
Late/Upper Maastrichtian	72.2 - 66.0	USA (South Carolina)	Pterotrigonia eufaulensis (4342 4343 4344 4346 4347 4349 4350 4351 4352 4353 4354 4355)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Texas)	Pterotrigonia eufaulensis (4400 4401 4404 4455 4491)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Missouri)	Pterotrigonia eufaulensis (4382 4383 4384 4385 4386)
Maastrichtian	72.2 - 66.0	USA (New Jersey)	Pterotrigonia eufaulensis (4378 4380)
Maastrichtian	72.2 - 66.0	USA (Alabama)	Scabrotrigonia eufaulensis (83239)
Maastrichtian	72.2 - 66.0	USA (Texas)	Pterotrigonia eufaulensis (7480)