They are found in the Australasian and Neotropical regions but absent in North America ( though a fossil has been found in Colorado ).
12.
"Hymenaea courbaril " has been used as a model organism to study the effect of increased concentration on the rate of photosynthesis in neotropical regions.
13.
Of the 14 subfamilies, three, Pergulinae, Philomastiginae, and Perreyiinae, are common to both the Australasian and Neotropical regions, but no genera occur in both regions.
14.
Salamanders are found only in the Holarctic and Neotropical regions, not reaching south of the Mediterranean Basin, the Himalayas, or in South America the Amazon Basin.
15.
This group is the most diverse of the entire assassin bug family, with 51 genera recognized in the Neotropical Region and 289 genera and 2003 species overall.
16.
Dalman occurs in both the Old and New Worlds, being represented in the Neotropical region by a single species, " P . fasciata " ( Gray ).
17.
They have a venomous stinger on the tail, and are some of the most feared freshwater fishes in the Neotropical region because of the injuries they cause.
18.
It is estimated that there are 6, 000 to 8, 000 species of liverworts, though when Neotropical regions are better studied this number may approach 10, 000.
19.
The "'Epiponini "'( formerly known as "'Polybiini "') are a large and diverse tribe of social wasps inhabiting the Neotropical region, with some species'ranges extending into the Nearctic region.
20.
""'Sinoxylon " "'is a genus of beetle native to Europe, the Afro-tropical region, the Australian region, the Near East, the Nearctic, the Neotropical region, North Africa and the Oriental region.
