Complex sentence: The species has been divided into eleven subspecies based on morphological characteristics, which are grouped into two semi-species: "brevicauda" and "talpoides"; these groupings were mirrored by a molecular systematics study of the mitochondrial cytochrome b sequence.
Split into simpler sentences: The species has been divided into eleven subspecies based on morphological characteristics, which are grouped into two semi-species: "brevicauda" and "talpoides". These groupings were mirrored by a molecular systematics study of the mitochondrial cytochrome b sequence.