holothoracic
adjective
holo·thoracic
"
: having the three parts of the thorax closely united
holothoracic insects
compare schizothoracic 
Word History
Etymology
hol- + thorac- + -ic
- dextrinize
- dextrinogenic enzyme
- dextrins
- dextro
- dextro-
- dextro-glucose
- dextroamphetamine
- dextroamphetamines
- dextroglucoses
- dextrogyrate
- dextrogyratory
- dextrogyre
- dextrogyrous
- dextromethorphan
- dextropimaric acid
- dextrorotary
- dextrorotations
- dextrorotatory
- dextrorsal
- dextrorse
- dextrorsely
- dextrorser
- dextrorsest
- dextrose
- dextroses