Sesarmidae Dana, 1851
publication ID |
https://doi.org/ 10.5281/zenodo.294144 |
DOI |
https://doi.org/10.5281/zenodo.6196361 |
persistent identifier |
https://treatment.plazi.org/id/03FBC71B-FFA7-FFAA-D683-4D27FD40FE20 |
treatment provided by |
Plazi |
scientific name |
Sesarmidae Dana, 1851 |
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Sesarmidae Dana, 1851 View in CoL and Varunidae H. Milne Edwards, 1853
Based on nearly identical foregut characters, species of both families are described here together. Pseudosesarma moeschi de Man, 1888 ( Sesarmidae ) ( Fig. 29 View FIGURE 29 ) and Eriocheir sinensis H. Milne Edwards, 1853 (Varunidae)
Ossicles I, II and IIb are inclined about 45° in the antero ventral direction. The oval exopyloric ossicle (IV) is enlarged. The pectinal ossicle (VIII) is ring-shaped with 11 accessory teeth. The posterior area of the prepectinal ossicle (IX) is remarkably extended and has a clearly ventrally directed hook at the middle of the ossicle. The inferior lateral cardiac ossicle (XIII) has a long oval shape and two ventrally directed crossed tips; on its dorsal part it has a posterior directed connection-piece to the subdentate ossicle (XIV). The lateral ossicle of the cardio-pyloric valve (XVIII) is greatly enlarged in size and covers the lateral side of the cardiopyloric valve. Ossicle XXIa is not recognisable.
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