Aglaiocypris pellucida Mostafawi, 2003

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 : 126

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.7625464
persistent identifier	https://treatment.plazi.org/id/1710512C-FFE7-FF84-DF7D-FCC9FE2B532F
treatment provided by	Felipe (2023-02-07 16:54:16, last updated 2024-11-26 07:18:10)
scientific name	Aglaiocypris pellucida Mostafawi, 2003
status

Treatment

Aglaiocypris pellucida Mostafawi, 2003 View in CoL

Fig. 5A–C View Fig

Aglaiocypris pellucida Mostafawi, 2003: 71 View in CoL , figs 51a–c.

Aglaiocypris? sp. 5 View in CoL – Maddocks 1969: 7, figs 31r–t.

Aglaiocypris sp. – Paik 1977: 28: 42, pl. 7 figs 3, 141–143, pl. 10 fig. 181.

Bythocypris sp. A . – Jain 1978: 94, fig. 2d.

Aglaiocypris pellucida View in CoL – Wang et al. 2018: 324, figs 2l–o.

Dimensions

L = 0.542 –0.569 millimeters; H = 0.250 –0.275 millimeters; H/L = 0.45–0.49.

Distribution

Modern distribution: West coast of India, Recent ( Jain 1978); Persian Gulf, Recent ( Maddocks 1969; Paik 1977; Mostafawi 2003)

Fossil distribution: Hang Hau Formation, Lei Yue Mun, Hong Kong, Holocene ( Wang et al. 2018); Bangkok Clay (samples 20SS01A, 02A, 02B, 03A), whale excavation site, Samut Sakhon Province, Thailand, Late Holocene (this work, Fig. 4 View Fig ).

Remarks

Aglaiocypris pellucida Mostafawi, 2003 is diagnosed by the following characters: thin, flat and obtuse carapace with triangular lateral outline, largely rounded AB and PB, Hmax located centrally, DB convex at LV, slightly angulated at RV, moderate overlapping of RV on LV all around, VB straight at RV, concave at LV, numerous normal pores. The present record is the first occurrence of Aglaiocypris pellucida in Thailand as, until now, this species was only known from the Persian Gulf ( Maddocks 1969; Paik 1977; Mostafawi 2003), western coast of India ( Jain 1978) and in Holocene deposits of Hong Kong ( Wang et al. 2018). The size of the examined specimens is similar to the Holocene specimens recovered in Hong Kong ( Wang et al. 2018) but they are smaller than the extant type material from the Persian Gulf ( Mostafawi 2003).

References

Jain S. E. 1978. Recent Ostracoda from Mandvi Beach, west coast of India. Bulletin of the Indian geologists Association 11 (2): 89 - 139.

Maddocks R. F. 1969. Recent ostracodes of the Family Pontocyprididae chiefly from the Indian Ocean. Smithsonian Contributions to Zoology 7: 1 - 56. https: // doi. org / 10.5479 / si. 00810282.7

Mostafawi N. 2003. Recent ostracods from the Persian Gulf. Senckenbergiana Maritima 32 (1 / 2): 51 - 75. https: // doi. org / 10.1007 / BF 03043085

Paik K. H. 1977. Regionale Untersuchungen zur Verteilung der Ostracoden im Persischen Golf und im Golf von Oman. Meteor Forschungsergebnisse, Reihe C: Geologie und Geophysik 23: 37 - 76.

Wang H., Zhang H., Cao M. & Horne D. 2018. Holocene ostracods from the Hang Hau Formation in Lei Yue Mun, Hong Kong, and their palaeoenvironmental implications. Alcheringa: An Australasian Journal of Palaeontology 43 (2): 320 - 333. https: // doi. org / 10.1080 / 03115518.2018.1511830

Figures

Fig. 5. Holocene ostracods from Samut Sakhon Province, Central Thailand.A–C. Aglaiocypris pellucida Mostafawi, 2003. A. Carapace, right lateral view, SUT-20SS-C003. B. Carapace, left lateral view, SUT-20SS-C007. C. Carapace, left lateral view, SUT-20SS-C003. – D–H. Propontocypris bengalensis Maddocks, 1969. D. Carapace, left lateral view, SUT-20SS-C012. E. Carapace, left lateral view, SUT- 20SS-C020. F. Carapace, left lateral view, SUT-20SS-C014. G. Carapace, right lateral view, SUT- 20SS-C027. H. Carapace, left lateral view, SUT-20SS-C022. – I–O. Sinocytheridea impressa (Brady, 1869). I. Carapace, female, right lateral view, SUT-20SS-C063. J. Carapace, male, right lateral view, SUT-20SS-C040. K. Internal view of right valve, male, SUT-20SS-C049. L. Carapace, female, left lateral view, SUT-20SS-C071. M. Carapace, male, left lateral view, SUT-20SS-C071. N. Internal view of left valve, male, SUT-20SS-C048. O. Internal view of left valve, female, SUT-20SS-C064. Scale bars = 0.1. mm.

Fig. 4. Distribution of Holocene ostracods below and above the whale skeleton level at the whale-fall excavation site in Samut Sakhon Province, north of Gulf of Thailand.