Phylogenomic analyses support Spirula spirula as a close relative of Oegopsida

The goal of this study was to determine how Spirula spirula (the ram's horn squid) is related to other squids.本研究旨在明确旋壳乌贼（Spirula spirula，俗称羊角乌贼）与其他乌贼的亲缘关系。