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. 2020 Nov 20;15(11):e0242273. doi: 10.1371/journal.pone.0242273

Table 2. Sample sizes for each age determination technique by sample group for pulp:tooth area ratio ≥ 0.1.

Group Dental Radiograph Male Female ND GLG Age LH Age Length (cm)
BB 68 40 28 0 27 9 177–267
MS 6 6 0 0 6 0 202–234
SB 17 7 10 0 0 17 178–238
Stranded BB 10 5 2 3 10 0 120–218

BB: Barataria Bay, MS: Mississippi Sound, SB: Sarasota Bay, GLG: Dentinal growth layer group analysis, LH: Observational life history, ND: Data on sex not available.