Table 3. Dimensions of simocetid tympanic bullae.

Measurements (in mm) of tympanic bullae of Olympicetus thalassodon sp. nov. (LACM 158720), Olympicetus avitus (LACM 126010), and Olympicetus sp. A (LACM 124105) (modified from Kasuya, 1973; Geisler, Colbert & Carew, 2014).

	LACM 158720	LACM 126010	LACM 124105
Maximum length (without posterior process)	65	50	49
Maximum length (including posterior process)	74	54	–
Distance from anterior tip to inner posterior prominence	61	50	48
Maximum width at level of the sigmoid process	40	35	34
Height at sigmoid process	46	37	36
Maximum width of sigmoid process	–	15	15
Maximum length of posterior process	16+	18	–

Notes.

Abbreviations

+

measurement on incomplete or obscured element.