Table 1.

Taxonomy and thermal tolerances of the study species and the rate of denaturation of the 26 molluscan orthologs of cMDH

Taxonomy			Thermal tolerance		Refs.
Family	Genus	Species	LT50 (°C)	Rate of denaturation of cMDH
Littorinidae	Echinolittorina	E. radiata	55.5	−0.0007	3 and 34
		E. malaccana	56.5	−0.0009
	Littorina	L. keenae	47.5	−0.0033	2 and 35
		L. scutulata	45.5	−0.0043
Lottiidae	Nipponacmea	N. fuscoviridis	44.2	−0.0028	Present study
		N. radula	42.4	−0.0054
	Lottia	L. gigantea	37.4	−0.0059	22, 36, and 37
		L. austrodigitalis	41.1	−0.0098
		L. scabra	—	−0.0124
		L. digitalis	40.1	−0.0161
		L. scutum	—	−0.0203
		L. pelta	—	−0.0229
Tegulidae	Chlorostoma	C. rugosa	45.0	−0.0089	2 and 38
		C. funebralis	42.5	−0.0104
		C. brunnea	36.0	−0.0166
		C. montereyi	36.0	−0.0239
Neritidae	Nerita	N. yoldii	50.0	−0.0004	2
		N. albicilla	51.0	−0.0010
Haliotidae	Haliotis	H. rufescens	—	−0.0220	39–41
		H. diversicolor	31.1	−0.0667
		H. discus	32.3	−0.1522
Mytilidae	Mytilus	M. trossulus	34.1	−0.0395	32, 42, 43, and present study
		M. californianus	38.2	−0.0417
		M. galloprovincialis	37.3	−0.0602
Laternulidae	Laternula	L. elliptica	8.3	−0.2296	44 and present study
Pectinidae	Adamussium	A. colbecki	4.0	−0.3800

Thermal tolerances indicated as the median lethal temperature (LT₅₀). Rate of denaturation is slope of ln residual activity.