Nombre científico Colectado por Identificado por Fecha de colecta Fecha de identificación Familia Institución Número de catálogo Estatus de tipo Basis Of Record
colectó identificó Strophomena radiireticulata William H. Twenhofel William H. Twenhofel 1909 1999 Strophomenidae YPM YPM IP 010333 syntype? FOSSIL_SPECIMEN
colectó Eatonioides lamellornatus William H. Twenhofel Frank H. McLearn 1908 1924 Eatoniidae YPM YPM IP 000440 syntype? FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010256 syntype FOSSIL_SPECIMEN
colectó Polygrammoceras ellisense William H. Twenhofel August F. Foerste 1909 1928 Orthoceratidae YPM YPM IP 003659 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010262 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010261 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010260 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010259 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010258 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010257 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010255 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010254 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010252 syntype FOSSIL_SPECIMEN
colectó Piloceras acinaces William H. Twenhofel Piloceratidae YPM YPM IP 015298.B syntype FOSSIL_SPECIMEN
colectó Piloceras acinaces William H. Twenhofel Piloceratidae YPM YPM IP 015298.A syntype FOSSIL_SPECIMEN
colectó Phacops (Portlockia) marklandensis William H. Twenhofel Frank H. McLearn 1908 1918 Phacopidae YPM YPM IP 000483 syntype FOSSIL_SPECIMEN
colectó Spyroceras magnosiphonatum William H. Twenhofel Pseudorthoceratidae YPM YPM IP 020521 syntype FOSSIL_SPECIMEN
colectó identificó Schuchertella gamachiana William H. Twenhofel William H. Twenhofel 1919-07-17 1928 Chilidiopsidae YPM YPM IP 010251 syntype FOSSIL_SPECIMEN
colectó identificó Rafinesquina ellisensis William H. Twenhofel William H. Twenhofel 1928 Strophomenidae YPM YPM IP 008246 syntype FOSSIL_SPECIMEN
colectó Polygrammoceras ellisense William H. Twenhofel August F. Foerste 1909 1928 Orthoceratidae YPM YPM IP 003796 syntype FOSSIL_SPECIMEN
colectó Polygrammoceras ellisense William H. Twenhofel August F. Foerste 1909 1928 Orthoceratidae YPM YPM IP 003816 syntype FOSSIL_SPECIMEN
colectó Polygrammoceras ellisense William H. Twenhofel August F. Foerste 1909 1928 Orthoceratidae YPM YPM IP 003815 syntype FOSSIL_SPECIMEN
colectó Polygrammoceras ellisense William H. Twenhofel August F. Foerste 1909 1928 Orthoceratidae YPM YPM IP 003817 syntype FOSSIL_SPECIMEN
colectó Rafinesquina champlainensis minganensis William H. Twenhofel Rafinesquinidae YPM YPM IP 015281 syntype FOSSIL_SPECIMEN
colectó Rafinesquina champlainensis minganensis William H. Twenhofel Rafinesquinidae YPM YPM IP 015286 syntype FOSSIL_SPECIMEN
colectó Rafinesquina champlainensis minganensis William H. Twenhofel Rafinesquinidae YPM YPM IP 015325 syntype FOSSIL_SPECIMEN
colectó identificó Lockeia anticostiana William H. Twenhofel William H. Twenhofel 1909 1928 YPM YPM IP 010377 syntype FOSSIL_SPECIMEN
colectó identificó Rafinesquina ellisensis William H. Twenhofel William H. Twenhofel 1928 Strophomenidae YPM YPM IP 008250 syntype FOSSIL_SPECIMEN
colectó identificó Rafinesquina ellisensis William H. Twenhofel William H. Twenhofel 1928 Strophomenidae YPM YPM IP 008249 syntype FOSSIL_SPECIMEN
colectó identificó Rafinesquina ellisensis William H. Twenhofel William H. Twenhofel 1919-08-12 1999 Strophomenidae YPM YPM IP 020511 syntype FOSSIL_SPECIMEN