Aphrodina (Aphrodina) lamarensis  (Shumard, 1860)

Remarks

• Collector:    Keith Minor

• Formation:  Eagle Ford Group, Britton Formation

• Location:     Dallas County, Texas

General Info

Synonyms (older names and misidentifications in the literature)

• 1860 Cytherea lamarensis Shumard

• 1883 Cytherea lamarensis (Shumard); White

• ?1893 Cytherea lamarensis (Shumard); Cragin (in part)

• 1928 Meretrix lamarensis (Shumard); Whitney

• 1928 Meretrix lamarensis (Shumard); Adkins

• 1951 Callistina lamarensis (Shumard); Adkins & Lozo

• 1952 Callistina lamarensis (Shumard); Stephenson

• 1969 Aphrodina lamarensis (Shumard); Moore

• 2002 Aphrodina (Aphrodina) lamarensis (Shumard); Akers & Akers

Stratigraphic Occurrence

• Middle Eagle Ford Group, Upper Britton Shale of north Texas

• Upper Woodbine Group, Templeton Formation of northeast Texas

Age

• Aphrodina (Aphrodina) lamarensis (Shumard) ranges from about the Calycoceras (Proeucalycoceras) canitaurinum (Haas) zone to the Sciponoceras gracile (Shumard) zone, early Late Cenomanian to very late Cenomanian Stage (~95–94 mya).

Geographic Occurrence (not an all-inclusive list)

• Dallas County, TX

• Grayson County, TX

• Lamar County, TX

Remarks

         For identification and descriptions, see:

• Stephenson, L. W.  1952.  Larger Invertebrate Fossils of the Woodbine Formation (Cenomanian) of Texas.  United States Geological Survey Professional Paper 242, 105–106; plate 25, fig's 1–7.