Figure 8
Antennula of Arthroaspis bergstroemi n. gen. n. sp. A. MGUH 30403 isolated antennula with at least 21 discernible joints (white lines; light from NE); B. MGUH 30399, (dorsal aspect). B 1 , proximal part of left antennula; short articles with biserial spines distally (arrows); B 2 , right antennula with biserial armature on distal part (arrow).