- Trechnotheria
Taxobox
color = red
fossil_range =Middle Jurassic -Recent
regnum =Animal ia
phylum =Chordata
classis =Mammal ia
subclassis =Theriiformes
unranked_ordo =Holotheria
unranked_familia = Trechnotheria
unranked_familia_authority = McKenna, 1975
subdivision_ranks =Clades
subdivision =
*Cladotheria
*Symmetrodonta Trechnotheria is a proposed clade of mammals that would include the symmetrodonts, Spalacotheriids, dryolestids and therians as one group. This clade excludes
monotremata .ources
http://www.dinodata.org/index.php?option=com_content&task=view&id=8532&Itemid=144
"Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure" pages 14 & 530.
http://www.taxonomy.nl/taxonomicon/TaxonTree.aspx?id=108310
ee also
*
Allotheria
*Cladotheria
*Holotheria
Wikimedia Foundation. 2010.
