Summary: The present report describes an anomalous case of the splenic artery arising from the superior mesenteric artery, forming a so-called splenomesenteric (lienomesenteric) trunk, in a 73-year-old Japanese male encountered among cadavers used for student dissection. In this case, the common hepatic and the left gastric arteries formed a so-called hepatogastric trunk. Such a case was not included in the classification of Adachi, but belongs to type IV'''of Morita or type IV of Michels. This is the 14th case of Morita's type IV''' identified among Japanese cadavers.