. 2023 Jun 23;11:e15576. doi: 10.7717/peerj.15576

Table 2. Dimensions of simocetid vertebrae.

Measurements (in mm) of cervical vertebrae of Simocetidae gen. et sp. A (LACM 124104) and Olympicetus thalassodon sp. nov. (LACM 158720).

	LACM 124105	LACM 158720
Atlas
Maximum height	–	70
Maximum length	32	27
Width across anterior articular facets	80+	–
Width across posterior articular facets	94	74
Maximum width (across transverse processes)	–	108
Mid-dorsal length	–	24
Mid-ventral length (including odontoid process)	37	22
Neural canal height	–	44
Neural canal width	45	38
Axis
Maximum height of centrum	46	33
Maximum width of centrum	47	–
Maximum length of centrum	44	30
Width across anterior articular facets	92e	77
Maximum width (across transverse processes)	144e	97
Width of neural canal	46	33
Cervical 3
Height of centrum	49	34
Width of centrum	53	34
Length of centrum	20	12
Maximum width (across transverse processes)	164e	96e
Width of neural canal	38e	–
Cervical 4
Height of centrum	–	34
Width of centrum	–	35
Length of centrum	–	12
Cervical 5
Height of centrum	–	31
Width of centrum	–	32
Length of centrum	–	12
Cervical 6
Height of centrum	–	27+
Length of centrum	–	10+

Notes.

Abbreviations