FIGURE 6 in Megalomma Johansson, 1925 (Polychaeta: Sabellidae) from America and other world-wide localities, and phylogenetic relationships within the genus 2861

FIGURE 6. Megalomma circumspectum (Moore, 1923). A, D, G) Thorax, lateral views; B) thorax, ventral view; C, E–F) thorax, dorsal views; H) base of the dorsalmost radiole, lateral view; I) dorsalmost radiolar eye; J–K) eyes from lateral radioles; L) eye from a ventral radiole; M) base of 2nd dorsal radiole, lateral view; N) spermatozoon; O) oocytes; P, V) thoracic uncini; Q) abdominal uncinus; R–S) superior thoracic narrowly hooded chaetae; T–U) inferior thoracic chaetae type C. A–E, H–V) specimens from Nayarit, México, ECOSUR; F–G) specimen from Santa Cruz, California, LACM, 003489. In F–G parasitic copepods are indicated with arrows. Scale bars: A–G) 1 mm; H–M) 125 µm; N) not scaled; O) 25 µm; P–V) 20 µm.