Arcthoplites jachromensis (Nikitin, 1888)

Remarks

• Collector:    Giorgio Agostinelli

• Formation:  Carolinefjellet Formation (probably Innkjegla Member)

• Location:     Spitsbergen

General Info

Synonyms (older names and misidentifications in the literature)

• 1888 Hoplites jachromensis Nikitin
• 1925 Arcthoplites jachromensis (Nikitin); Spath
• 1965 Arcthoplites jachromensis (Nikitin); Casey
• 1970 Arcthoplites jachromensis (Nikitin); Nagy

Stratigraphic Occurrence

• Carolinefjellet Formation, Innkjegla Member of Spitsbergen
• Early Cretaceous rocks of Russia

Age

• Arcthoplites jachromensis (Nikitin) occurs in the Leymeriella tardefurcata (Leymerie) Zone, very Early Albian (~112 mya).

Geographic Occurrence (not an all-inclusive list)

• Spitsbergen
• Russia

Remarks

         For identification and descriptions, see:

• Nagy, J.  1970.  Ammonite Faunas and Stratigraphy of Lower Cretaceous (Albian) Rocks in Southern Spitsbergen.  Norsk Polarinstitutt Skrifter 152, 51; plate 8, fig. 1.