r/Amberfossil

Extinct Stem-Group Ant (Gerontoformica) in Burmese Burmite amber fossil

*From My Personal Collection of Hymenoptera*

Age: 99 Million Years Ago

Order: Hymenoptera
Family: Formicidae
Subfamily: Sphecomyrminae (Extinct Stem-Group Ant)
Genus: Gerontoformica
Species: (Inconclusive)
Other notable inclusions:

I'm unsure of the species.

Gerontoformica is an extinct genus of prehistoric "stem-group" ants that lived approximately 100 million years ago during the Cretaceous period. These ants bridge the evolutionary gap between solitary wasps and the social ants seen today.

*From My Personal Collection of Hymenoptera*

Extinct Wasp (Burmasphex sulcatus) with another wasp in Burmese Burmite amber fossil

*From My Personal Collection of Hymenoptera*

Age: 99 Million Years Ago

Order: Hymenoptera

Superfamily: Apoidea

Family: Burmasphecidae (Extinct Wasp)

Genus: Burmasphex

Species: Burmasphex sulcatus

Other notable inclusions: an unknown Apoid wasp also in the piece.

The species of the the main wasp is Burmasphex sulcatus.

*From My Personal Collection of Hymenoptera*

Extinct Fungus Gnat ( Macrocerinae ) in Burmese Burmite amber fossil

Size: 18 x 12 x 7 mm

Age: 99 Million Years Ago
Order: Diptera
Family: Keroplatidae (Extinct Fungus Gnat)
Subfamily: Macrocerinae
Species: (Inconclusive)
Other notable inclusions: possibly a small juvenile Aenictopecheidae (Hemiptera) next to the Fungus Gnat. Lots of bio matter.

A cricket, caught mid-jump.

A millipede, winding its way down a tree.

And a pocket of ancient water—now a moving enhydro—trapped, still glimmering after all this time.

A tiny world, sealed… and carried forward through deep time.

A final snapshot of a late Cretaceous day—

glimpses of motion, nature, and life—

held together, forever, in amber.

Extinct Spider (Possibly Tetrablemmidae) in Burmese Burmite amber fossil

Size: 19 x 10 x 5 mm

Age: 99 Million Years Ago
Order: Araneae
Family: Unknown (Extinct Spider)
Species: (Inconclusive)
Other notable inclusions: lots of bio debris.

This Extinct Spider shares some features with the Family Tetrablemmidae but I'm not completely certain.