Not in CC-CEDICT or Xinhua dictionaries as a standalone word. In the THUOCL "animal" frequency list this is almost certainly a fragment of a longer paleontological genus name. Note: the feathered dromaeosaur Wulong bohaiensis is usually written
五龙 (wǔlóng, "five dragon") after its Liaoning locality, not
兀龙;
兀龙 may be a distinct transliteration or an OCR variant.
