Retroplumidae Gill, 1894

Brösing, Andreas, 2010, Recent developments on the morphology of the brachyuran foregut ossicles and gastric teeth, Zootaxa 2510, pp. 1-44 : 28

Retroplumidae Gill, 1894

Retropluma quadrata de Saint Laurent, 1989 ( Fig. 23 )

Ossicles I and II are inclined about 45° in the antero ventral direction. The zygocardiac ossicle (V) has a clear semicircular impression antero ventral. The unpaired propyloric ossicle (VI) is nearly vertical. The pectinal ossicle (VIII) is horseshoe-shaped with six accessory teeth. The ossicle XIXa is not recognisable.

Figures

FIGURE 23. Foregut ossicles and gastric teeth of Retropluma quadrata Saint Laurent, 1989, A. dorsal view, B. lateral view, C. lateral tooth, D. accessory teeth, E. dorso-median tooth, F. cardio-pyloric valve; scales: A. & B. 1 mm, C. – F. 100 µm.