Stigmatomma groehni

Introduction

Stigmatomma groehni is an extinct ant species known only from Baltic amber fossils dating to the Eocene period, approximately 44 million years ago . Workers measured about 3mm in body length, making them small ants with a distinctive appearance: 12-segmented antennae, linear mandibles with characteristic teeth, and a shiny body with delicate sculpture . This species belongs to the subfamily Amblyoponinae, a group that includes some of the most primitive living ants . It represents one of only two published fossil records for taxa now included in Stigmatomma . IMPORTANT: This is an extinct species that existed approximately 44 million years ago. There are no living colonies of Stigmatomma groehni, and they cannot be kept as pets. This caresheet exists only to document what we know from the fossil record.