from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An occasionally used taxonomic category ranking between a genus and a species.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A subdivision of a genus
from the GNU version of the Collaborative International Dictionary of English
- n. A subdivision of a genus, comprising one or more species which differ from other species of the genus in some important character or characters.
from The Century Dictionary and Cyclopedia
- n. A subordinate genus; a section or subdivision of a genus higher than a species.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (biology) taxonomic group between a genus and a species
The whitetail deerusing the word to designate a group of deer which can neither be called a subgenus with many species, nor a widely spread species diverging into many varietiesis the only North American species which has spread down into and has outlying representatives in South America.
The whitetail deer -- using the word to designate a group of deer which can neither be called a subgenus with many species, nor a widely spread species diverging into many varieties -- is the only North
Terms such as "subgenus" are quietly being phased out or at least reduced in prominence.
Morphological similarities placing D. valgum in the same subgenus with non-predatory dung-feeding species suggest a major and potentially rapid behavioural shift from coprophagy to predation.
Regardless, Greg Paul erected the subgenus Giraffatitan, and placed the African species, B. brancai in it, so that the species became properly known by the rather unwieldy name Brachiosaurus (Giraffatitan) brancai.
Unfortunately, he did something that vertebrate paleontology usually avoids, he created a subgenus.
These Azaleas are in the genus Rhododendron, with evergreen azaleas in the subgenus Tsutsusi and deciduous azaleas in the subgenus Pentanthera.
There are no endemic genera; endemics are at the subgenus and species level only (for example, the subgenera Santolina and Kittariana of the genus Tanacetum).
Dry eucalypt forests are very open, typically dominated by peppermint eucalypts (subgenus Monocalyptus series Piperitae) more than 5 meters in height, with a scattered layer of small xerophytic species, such as Acacia, Allocasuarina, and Exocarpos spp. in the understory Eucalyptus amygalina, E. pulchella, and E. viminalis are all found in this ecoregion.
In recognition of these differences, P. humilis was given its own subgenus within Podoces in 1902, and in 1928 this was elevated to generic status.