A new superfamily and family of the infraorder Hadziida (Amphipoda, Senticaudata) based on a new genus and species from the Clarion-Clipperton Zone, Pacific Ocean

Authors: Horton, Tammy DOI: 10.3897/zookeys.1274.140273 Published: Jan. 1, 2026 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Abyss · Topics: Marine Biology and Ecology Research, Subterranean biodiversity and taxonomy, Paleontology and Stratigraphy of Fossils

A remarkable new amphipod species, Mirabestia maisie sp. nov., is described from the Clarion-Clipperton Zone, abyssal Pacific Ocean, at depths of 4130–4309 m. The species is described within the new taxa Mirabestioidea superfam. nov., Mirabestiidae fam. nov., and Mirabestia gen. nov., within the suborder Senticaudata. Diagnoses and molecular sequences of five nuclear and mitochondrial genetic markers are provided for the new species. A preliminary phylogenetic reconstruction of the infraorder Hadziida is also presented, based on a concatenated dataset of the COI and histone 3 genetic markers.

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