APPENDIX 1 in An integrative model of chimaera jaw links mechanical stress to localized cartilage mineralization

APPENDIX 1. — Cranial muscle characteristics of the adult specimen of Chimaera monstrosa Linnaeus, 1758 (MNHN-2022-362; after dissection, see “Material and methods” for details). Abbreviation: PCSA, physiological cross section area.
Cranial musclesWeight (gr.)Pennation angle (rad)Mean Fibre Length (cm)Muscle density (g/cm 3)PCSA (cm 2)M. Epiaxialis1.5801.951.050.77M. Protractor dorsalis pectoralis1.690.351.341.051.13M. Retractor latero-ventralis pectoralis1.970.7851.861.050.72M. Constrictor operculi dorsalis anterior0.740.351.891.050.35M. Constrictor operculi dorsalis1.752.182.471.050.39M. Cucullaris superficialis2.6601.731.051.47M. Adductor mandibulae anterior5.260.522.051.052.11M. Levator anguli oris anterior0.5102.901.050.17M. Levator anguli oris posterior3.4702.541.051.30M. Adductor mandibulae posterior0.700.521.101.050.53M. Constrictor operculi ventralis2.100.702.831.050.54M. Coracomandibularis3.460.0873.001.051.10M. Coracohyoideus1.0002.001.050.48mm. Coracobranchiales6.910.871.781.052.38