FIGURE 8 in Four palaeonemerteans (Nemertea: Anopla) from a tidal flat in middle Honshu, Japan

FIGURE 8. Carinina plecta sp. nov. Holotype, female, ZIHU­3123. A, transverse section just posterior to the proboscis insertion; arrowhead indicates muscle bundles derived from the rhynchocoel inner longitudinal muscle layer (RL), extending into the proboscis (PR). B, transverse section through the proboscis insertion. C, transverse section through the proboscis. D, higher magnification of C showing the inner circular muscle layer of the proboscis (PI). PL, proboscis longitudinal muscle layer; PN, proboscis nerve; PO, proboscis outer circular muscle layer; RC, rhynchocoel; RD, rhynchodaeum.