I can only guess - beetle larva. D'aigular National Park, QLD.
I'm guessing this is a beetle larva of some kind because of the six front legs and no back legs - similar to other beetle larva I've seen. Otherwise it has no resemblance to anything I've seen. D'aigular National Park, QLD.
Little grub looks like poo. Swallowtail butterfy larvae are known for this mimicry. Oxley Creek, QLD.