| Species |  |  | ||
---|---|---|---|---|---|
Muscle | Argyrotheca cordata | Terebratalia transversa | Argyrotheca cistellula | Location | Symbol in figures |
apical longitudinal muscles | + | + | + | apical lobe | alm |
apical transversal muscle | + | + | + (apical muscle ring) | apical lobe | atm |
central mantle muscles | + | + | + (dorsal mantle muscles) | mantle lobe | empty arrowheads |
circular mantle muscle | + | + | + (posterior muscle ring) | mantle lobe | arrows |
lateral mantle muscle | - | - | + | mantle lobe | lmm |
longitudinal muscles | + | + | - | mantle and pedicle lobe | lm |
pedicle muscles | + | + | + | pedicle lobe | pm |
serial mantle muscles | + | + | + | mantle lobe | double arrowsheads |
setae muscles | + | + | - | mantle lobe | sm |
setae pouch musculature | + | + | - | mantle lobe | arrowheads |
U-shaped muscle | + | + | + (ventral mantle muscle) | mantle lobe | empty arrows |