Elipsoideichnus

Elipsoideichnus is a trace fossil representing a bee nest. It was first described in 1987 by Francisco Lucas Roselli, who found it in the Asencio Formation of Uruguay.^[1] Later on it was also found in Argentina, near Colón, Entre Ríos.^[2] Its only species so far is Elipsoideichnus meyeri.

Elipsoideichnus Temporal range: Paleogene
Scientific classification
Ichnofamily:	†Celliformidae
Ichnogenus:	†Elipsoideichnus Roselli, 1987
Type species
†Elipsoideichnus meyeri