First record of Callovian ammonites from West Kalimantan (Middle Jurassic, Kalimantan Barat, Borneo, Indonesia)

A small collection of ammonites of Callovian age is described from West Kalimantan. It includes Hecticoceras (Lunuloceras) brightii (Pratt), H. (L.) lunuloides (Kilian) , Hecticoceras (Putealiceras) aff. punctatum (Stahl), Reineckeia s.l. sp., and Indosphinctes sp. New elements are Hecticoceras (Lunuloceras) nov. sp. A, Kalimantanites nodosospinatus nov. gen., nov. sp., K. occultenodosus nov. sp. and Borneoceras sanggauense nov. gen., nov. sp.

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Published (Metadata Record) 02/03/2026
Last updated 03/03/2026
Organisation Australian Federal Government
License License Not Specified
Update Frequency Unknown