Rashi on Leviticus 11:26/רש"י על ויקרא י״א:כ״ו

1מפרסת פרסה ושסע איננה שסעת WHICH DIVIDETH THE HOOF AND IS NOT CLOVEN FOOTED, such as the camel, the hoof of which is split on top but is attached below (see Rashi on v. 3); here it tells you that the carcass of an unclean animal causes uncleanness and in the paragraph which is at the end of this section (vv. 39–40) it sets forth the law concerning the carcass of a clean animal.