Sinocytheridea impressa ( Brady, 1869 )

Chitnarin, Anisong, Forel, Marie-Béatrice & Tepnarong, Prachya, 2023, Holocene ostracods (Crustacea) from a whale-fall excavation site from the Chao Phraya delta, Central Thailand, European Journal of Taxonomy 856 (1), pp. 120-151 : 129-130

publication ID

https://doi.org/ 10.5852/ejt.2023.856.2033

publication LSID

lsid:zoobank.org:pub:A519A06A-6C20-45A7-9120-B0C795E41E75

DOI

https://doi.org/10.5281/zenodo.7616268

persistent identifier

https://treatment.plazi.org/id/1710512C-FFE8-FF88-DF60-FC36FC5E56AA

treatment provided by

Felipe

scientific name

Sinocytheridea impressa ( Brady, 1869 )
status

 

Sinocytheridea impressa ( Brady, 1869) View in CoL

Fig. 5I–O View Fig

Cytheridae impressa Brady, 1869: 158 View in CoL , pl. 16 figs 13–14.

Cyprideis yehi Hu & Yeh, 1978: 157–159 , pl. 3 figs 10–13.

Sinocytheridea sinensis Hou in Guan et al., 1978: 240, pl. 65 figs 1–5.

Sinocytheridae latiovata Hou & Chen in Hou et al., 1982: 164–165, pl. 72 figs 10–20.

Sinocytheridae longa Hou & Chen in Hou et al., 1982: 165, pl. 72 figs 1–9.

Eucytheridae sinobesani Hu, 1984: 76 View in CoL , pl.10, figs. 27, 28.

Sinocytheridea impressa View in CoL – Whatley & Zhao 1987: 24, pl. 1 figs 8–10. — Montenegro et al. 2004: pl. 2 figs 6–7. — Alberti et al. 2013: 341. — Yamada et al. 2014: 110. — Hong et al. 2017: 58; 2019: 596. — Cheung et al. 2019: 9. — Tanaka et al. 2019: fig. 7. — Tan et al. 2021: fig. 2(10).

Dimensions

L = 0.515 –0.567 millimeters, H = 0.250 –0.317 millimeters, H/L = 0.45–0.49 (males; Fig. 5J–K, M–N View Fig ).

L = 0.477 –0.700 millimeters, H = 0.246 –0.410 millimeters, H/L = 0.52–0.59 (females; Fig. 5I, L, O View Fig ).

Distribution

Tanaka et al. (2019) recently reviewed and presented the distribution of extant and fossil Sinocytheridea impressa around the eastern margin of Eurasia, from the Sea of Japan to South China Sea. The reader is referred to their work for details. Here, we list some occurrences of the species.

Modern distribution: Japan ( Tanaka et al. 2019); China ( Zhao & Wang 1988, 1990; Cheung et al. 2019); Hong Kong ( Brady 1869; Hong et al. 2017, 2019); Central Vietnam ( Tan et al. 2021). Mae Khlong estuary, NW Gulf of Thailand, Thailand ( Montenegro et al. 2004); Klong Thom, Krabi, Andaman estuary, Thailand ( Yamada et al. 2014).

Fossil distribution: Upper Pliocene, Japan ( Yamada et al. 2002); Middle Pleistocene, Japan ( Ishizaki 1990; Irizuki et al. 2005). Pliocene, China ( Hou & Gou 2007); Pliocene to Pleistocene, China ( Lee & Paik 1992; Hu & Tao 2008); Quaternary, China ( Huang 1985; Hou et al. 1982; Alberti et al. 2013); Pleistocene to Holocene, Hong Kong ( Cao, 1998); Bangkok Clay (samples 20SS01A, 01B, 02A, 02B, 03A, 04A, 04B), whale excavation site, Samut Sakhon Province, Thailand, Late Holocene (this work, Fig. 4 View Fig ).

Remarks

Carapaces of Sinocytheridea impressa ( Brady, 1869) are characterized by flat, elongate to oval lateral outline, long hinge, slightly concave VB, with scattered sieve type pores on carapace surface. Sexual dimorphism clear: males are longer and slender with AB and PB nearly of equal size, Hmax located anteriorly but not distinct; females are shorter, with AB larger than PB, Hmax located anterior to midL and distinct. The juvenile carapaces are very delicate and transparent.

Kingdom

Animalia

Phylum

Arthropoda

Class

Ostracoda

Order

Podocopida

Family

Cytherideidae

Genus

Sinocytheridea

Loc

Sinocytheridea impressa ( Brady, 1869 )

Chitnarin, Anisong, Forel, Marie-Béatrice & Tepnarong, Prachya 2023
2023
Loc

Sinocytheridea impressa

Tan 2021: 129
Hong Y. & Yasuhara M. & Iwatani H. & Mamo B. 2019: 596
Cheung R. C. W. & Yasuhara M. & Iwatani H. & Wet C. - L. & Dong Y. - W. 2019: 9
Tanaka 2019: 129
Hong Y. & Yasuhara M. & Iwatani H. & Seto K. & Yokoyama Y. & Yoshioka K. & Mamo R. 2017: 58
Yamada K. & Terakura M. & Tsukawaki S. 2014: 110
Alberti M. & Hethke M. & Fursich F. & Liu C. 2013: 341
Montenegro 2004: 129
Whatley R. C. & Zhao Q. 1987: 24
1987
Loc

Eucytheridae sinobesani

Hu C. - H. 1984: 76
1984
Loc

Sinocytheridae latiovata

Hou Y. & Chen T. & Yang H. & Ho J. & Zhou Q. & Tian M. - Q. 1982: 164
1982
Loc

Sinocytheridae longa

Hou Y. & Chen T. & Yang H. & Ho J. & Zhou Q. & Tian M. - Q. 1982: 165
1982
Loc

Cyprideis yehi

Hu C. - H. & Yeh K. - Y. 1978: 159
1978
Loc

Sinocytheridea sinensis

Guan S. Z. & Sun Q. Y. & Jiang Y. W. & Li L. L. & Zhao B. Q. & Zhang X. Q. & Yang R. L. & Feng B. Y. 1978: 240
1978
Loc

Cytheridae impressa

Brady G. S. 1869: 158
1869
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