(Order Mysida):
Major unpaired blood vessel arising ventrally near posterior end of heart. Variously branched ventrally [Stachowitsch, 1992].
(Superorder Syncarida):
Aorta [Stachowitsch, 1992].
(Order Euphausiacea):
Major blood vessel arising from ventral surface of heart. Extends around gonads and branches above ganglia of thorax into an anteriorly and posteriorly directed artery (sternal and abdominal arteries). (paired, unpaired) [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.