Bathycongrus sp.

Lin, Chien-Hsiang, Wu, Siao-Man, Lin, Chia-Yen & Chien, Chi-Wei, 2023, Early Pliocene otolith assemblages from the outer-shelf environment reveal the establishment of mesopelagic fish fauna over 3 million years ago in southwestern Taiwan, Swiss Journal of Palaeontology (23) 142 (1), pp. 1-40 : 6

Bathycongrus sp.

Figure 4a–b

Remarks All specimens in the here described collection represent juvenile individuals. Tese otoliths exhibit typical Bathycongrus characteristics, which include a prominent dorsal depression, a unified sulcus that narrows and extends anteriorly with its colliculum, and an angular ventral rim ( Schwarzhans, 2019b).

Figures

Fig. 4 Fish otoliths from the Lower Pliocene Gutingkeng Formation, southern Taiwan. Scale bars=1 mm. Images are inner views unless otherwise indicated. a–b Bathycongrus sp., Site 2, ASIZF 0100597–598.c–d Engraulis japonicus Temminck & Schlegel, 1846, ASIZF 0100599–600, c Site 5, mud layer, d Site 5, sand layer. e, Stolephorus sp., Site 2, ASIZF 0100601. f–g Polyipnus sp., Site 5, sand layer,ASIZF 0100602–603.h Neoscopelus macrolepidotus Johnson, 1863, Site 5, mud layer,ASIZF 0100604.i Gonostomatidae indet., Site 5, sand layer,ASIZF 0100605.1, ventral view; 2, inner view