Table 1 Site location information and distribution of specimens (B. spissa) from different sampling locations used in the study.

From: A deep-learning automated image recognition method for measuring pore patterns in closely related bolivinids and calibration for quantitative nitrate paleo-reconstructions

Locations

Latitude

Longitude

Water depth (m)

No of B. spissa specimens

Gulf of Guayaquil, (M77/2-59-01)

3.95° S

81.32° W

997

669

Mexican Margin, (MAZ-1E-04)

22.9° N

106.91° W

1468

455

Sea of Okhotsk, (MD01-2415)

53.95° N

149.96° E

822

144

Sagami Bay push core

35.09° N

135.38° E

1410

37

Costa Rica, (SO206-43-MUC)

8.87° N

84.23° W

568

39

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