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...rdLife International | title = ''Cygnus olor'' | journal = [[IUCN Red List of Threatened Species]] | volume= 2012 | page = e.T22679839A40128183 | publish ...987 |title=Wildfowl: An Identification Guide to the Ducks, Geese and Swans of the World |publisher=A & C Black |isbn=0-7470-2201-1}}</ref> Measuring {{co

...scription of a new genus and species of channid (channiformes). ''Journal of Vertebrate Paleontology, 28 (1): 41-52''</ref> ...reshwater]] [[perciform]] [[fish]] family '''Channidae''', native to parts of [[Africa]] and [[Asia]]. These elongated, [[predatory fish]] are distingui

| image = The book of antelopes (1894) Saiga tatarica.png | range_map_caption = Reconstructed range (white) and current distribution of the two subspecies ''Saiga tatarica tatarica'' (green) and ''S. t. mongolic

| image_caption = A drawing of ''Trinodus tardus'' ...& Corda, 1847 (Agnostida) in the Prague Basin revisited|journal= Bulletin of Geosciences|volume= 86|issue= 4|pages= 707–724|doi= 10.3140/bull.geosci.1

...f Sweden and Bornholm, Denmark|journal= Bulletin of the Geological Society of Denmark|volume= 37|pages= 213–226|url= http://2dgf.dk/xpdf/bull37_03-04-2 '''''Sphaeragnostus''''' is an [[extinct]] [[genus]] from a well-known class of [[fossil]] marine [[arthropod]]s, the [[trilobite]]s. It can be recognized

...is ''Lotagnostus trisectus'', which was originally described as a species of ''[[Agnostus]]'' by Salter in 1864.<ref>[http://www.trilobites.info/generic ...h America: systematics and biostratigraphic significance|journal= Bulletin of Geosciences|volume= 86|issue= 3|pages= 569–594|url= http://www.geology.cz

...to the fused eyes, common to the species of this genus. Some (sub)species of the cyclopygid genera [[Cyclopyge (trilobite)|''Cyclopyge'']] and ''[[Pricy ''Symphysops'' is the combination of the Ancient Greek σύν (syn) "together", φύσις (physis) "growth" and

...Trilobita). EV Lermontova, Atlas of the Leading Forms of the Fossil Faunas of the USSR, 1940</ref></small> synonym ''Cyclagnostus elegans'' Lerm., 1940 ...Agnostida]], which lived in what are now Australia (Queensland, Tasmania), Canada (British Columbia, Newfoundland, Northwest Territories), China (Anhui), Kaz

|title=A compendium of fossil marine animal genera (Trilobita entry) |journal=Bulletins of American Paleontology