Assertion: short spined sea urchin | /r/HasProperty | heliocidaris erythrogramma
Facets:
Source sentences:
text: There are two types of sea urchins in Tasmanian waters, the short spined sea urchin, Heliocidaris erythrogramma which is endemic to Tasmania and has well established markets, and the long spined sea urchin Centrostephanus rodgersii.