''Mastigoteuthis iselini'' is a species of

whip-lash squid The Mastigoteuthidae, also known as whip-lash squid, are a family of small deep-sea squid. Approximately 20 known species in six genera are represented, with members found in both the mesopelagic and bathypelagic zone of most oceans. Originally d ...

. Some authors treat it as a

junior synonym The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linna ...

of '' Mastigoteuthis atlantica''. It was first identified by R. MacDonald and William J. Clench in 1934 and presented to the

Boston Society of Natural History The Boston Society of Natural History (1830–1948) in Boston, Massachusetts, was an organization dedicated to the study and promotion of natural history. It published a scholarly journal and established a museum. In its first few decades, the s ...

. The type locality was identified as the northwestern Atlantic Ocean.

References

Mastigoteuthis Molluscs described in 1934 {{Squid-stub