Belemnitella americana (Morton, 1830)

Remarks

• Collector:    Keith Minor
• Formation:  Monmouth Group, Navesink Formation
• Location:     Monmouth County, NJ

General Info

Synonyms (older names and misidentifications in the literature)

• 1830 Belemnites americanus Morton
• 1870 Belemnites mucronatus Credner
• 1892 Belemnitella americana (Morton); Whitfield
• 1902 Belemnitella americana (Morton); Weller
• 1912 Belemnitella americana (Morton); Arkhangelsky
• 1913 Belemnitella americana (Morton); Nowak
• 1916 Belemnitella americana (Morton); Gardner
• 1916 Belemnitella americana (Morton); Nowak
• 1921 Belemnitella americana (Morton); Lange
• 1933 Belemnitella americana (Morton); Crickmay
• 1951 Belemnitella americana (Morton); Jeletzky
• 1954 Belemnitella americana (Morton); Groot, Organist, and Richards
• 1962 Belemnitella americana (Morton); Richards

Stratigraphic Occurrence

• Lower Monmouth Group, Lower Navesink Formation of New Jersey and Delaware
• Basal Monmouth Group, Mount Laurel Formation of New Jersey and Delaware

Age

• Belemnitella americana (Morton) ranges from about the Didymoceras nebrascense (Meek and Hayden) zone to about the Baculites cuneatus Cobban zone of Kennedy, Cobban, and Scott, lower upper to middle upper Campanian stage (~76–73 mya).

Geographic Occurrence (not an all-inclusive list)

• Gloucester County, NJ
• Mercer County, NJ
• Monmouth County, NJ
• New Castle County, DE

Remarks

         For identification and descriptions, see:

• Richards, H. G. 1958. The Cretaceous Fossils of New Jersey. New Jersey Geological Survey Bulletin 61 (2), 139–161.