Length to 61 mm, mainly 25-45 mm. Head with small but well-developed, sharp rostrum (Scypholanceola aestiva 2). Distal (small) ART of ANT I without apical processes (Scypholanceola aestiva 1). Coxae II-V sharp anteriorly. Dactyls of P V-VII strongly curved in mature animals, barely curved in young. Telson with sharp or rounded top.
Kingdom Animalia Phylum Crustacea Class Malacostraca Subclass Eumalacostraca Superorder Peracarida Order Amphipoda Suborder Hyperiidea Infraorder Physosomata Superfamily Lanceoloidea Family Lanceolidae Genus Scypholanceola Species Scypholanceola aestiva