Published August 20, 2021
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Table 2 in Two new species of freshwater crab of the genus Aparapotamon Dai & Chen, 1985 (Crustacea, Brachyura, Potamidae) from Yunnan, China
Authors/Creators
- 1. Research Laboratory of Freshwater Crustacean Decapoda & Paragonimus, School of Basic Medical Sciences, Nanchang University, 461 Bayi Avenue, Nanchang City, Jiangxi Province 330006, China
- 2. Research Laboratory of Freshwater Crustacean Decapoda & Paragonimus, School of Basic Medical Sciences, Nanchang University, 461 Bayi Avenue, Nanchang City, Jiangxi Province 330006, China & Key laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang University, 1299 Xuefu Avenue, Nanchang City, Jiangxi Province 330031, China
Description
Table 2. Morphological differences among species of Aparapotamon.
| Species/characters | Epibranchial tooth | Pterygostomial and sub-hepatic regions | Sub-orbital region | G1 in situ | Terminal segment of G1 | Vulva |
|---|---|---|---|---|---|---|
| A. binchuanense sp. nov. | Blunt (Fig. 1A) | Densely covered with round granules (Fig. 1C) | Sparely covered with round granules (Fig. 1C) | Exceeding pleonal locking tubercle but not suture 4/5 (Fig. 2F) | Slender, distal end tapering, distinctly bent (Fig. 9A) | Ovate, posterior margin not convex (Fig. 3C) |
| A. huizeense sp. nov. | Sharp (Fig. 5A) | Sparely covered with round granules (Fig. 5C) | Smooth (Fig. 5C) | Exceeding suture 4/5 (Fig. 6F) | Very slender, distal end slightly bent, dorsal lobe well developed inward (Fig. 9B) | Ovate, posterior margin distinctly convex (Fig. 7C) |
| A. inflomanum (cf. Dai 1999: fig. 196) | Blunt | Smooth | Smooth | Reaching suture 4/5 | Slender, distal end disc-shaped (Fig. 9C) | Ovate, posterior margin not convex |
| A. molarum (cf. Dai 1999: fig. 195) | Blunt | Smooth | Smooth | Exceeding suture 4/5 | Slender, distal end disc-shaped (Fig. 9D) | Transversely ovate, posterior margin not convex |
| A. emineoforaminum (cf. Dai 1999: fig. 197) | Blunt | Densely covered with round granules | Smooth | Exceeding suture 4/5 | Very slender, tapering distally (Fig. 9E) | Ovate, posterior margin distinctly convex |
| A. tholosum (cf. Dai 1999: fig. 194) | Sharp | Densely covered with round granules | Smooth | Exceeding pleonal locking tubercle but not suture 4/5 | Slender, dorsal lobe well developed upwards (Fig. 9F) | Transversely ovate, posterior margin distinctly convex |
| A. protinum (cf. Dai 1999: fig. 193) | Sharp | Densely covered with round granules | Smooth | Exceeding pleonal locking tubercle but not suture 4/5 | Slender, dorsal lobe slightly developed upwards (Fig. 9G) | Transversely ovate, posterior margin arching to form semicircular structure |
| A. arcuatum (cf. Dai 1999: fig. 191) | Blunt | Sparely covered with round granules | Smooth | Exceeding pleonal locking tubercle but not suture 4/5 | Slender, arc-shaped, dorsal lobe slightly developed upwards (Fig. 9H) | Transversely ovate, posterior margin not convex |
| A. muliense (cf. Dai 1999: fig. 192) | Blunt | Sparely covered with round granules | Smooth | Exceeding pleonal locking tubercle but not suture 4/5 | Slender, arc-shaped, dorsal lobe well developed upwards (Fig. 9I) | Transversely ovate, posterior margin distinctly convex |
| A. grahami (cf. Dai 1999: fig. 187) | Sharp | Sparely covered with round granules | Smooth | Reaching pleonal locking tubercle | Slender, dorsal lobe variably developed inwards (Fig. 9J) | Ovate, posterior margin slightly convex |
| A. huiliense (cf. Dai 1999: fig. 189) | Sharp | Sparely covered with round granules | Smooth | Exceeding pleonal locking tubercle but not suture 4/5 | Slender, dorsal lobe roundly developed (Fig. 9K) | Transversely ovate, posterior margin slightly convex |
| A. similium (cf. Dai 1999: fig. 188) | Blunt | Densely covered with round granules | Sparely covered with round granules | Exceeding pleonal locking tubercle but not suture 4/5 | Slender, dorsal lobe slightly developed inwards, tapering distally (Fig. 9L) | Transversely ovate, posterior margin distinctly convex |
| A. gracilipedum (cf. Dai 1999: fig. 190) | Sharp | Densely covered with round granules | Sparely covered with round granules | Exceeding pleonal locking tubercle but not suture 4/5 | Slender, dorsal lobe slightly developed inwards, distal end blunt (Fig. 9M) | Ovate, posterior margin slightly convex |
Notes
Published as part of Tan, Qi-Hong, Zhou, Xiao-Juan & Zou, Jie-Xin, 2021, Two new species of freshwater crab of the genus Aparapotamon Dai & Chen, 1985 (Crustacea, Brachyura, Potamidae) from Yunnan, China, pp. 149 in ZooKeys 1056 on page 149, DOI: 10.3897/zookeys.1056.63755
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Additional details
Identifiers
References
- Dai, AY, 1999. Fauna Sinica (Arthropoda. Crustacea. Malacostraca. Decapoda. Parathelphusicae. Potamidae). Science Press, Beijing