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"shape". Because autapomorphies are only present in a single taxon, they do not convey information about relationship. Therefore, autapomorphies are not useful...

If lost in all but one, it can be hard to distinguish from an autapomorphy. Autapomorphy – a distinctive derived trait that is unique to a given taxon...

(in the sense that they lacked the full range of living squirrels' autapomorphies). The distribution and diversity of such ancient and ancestral forms...

groups. On the other hand, the basal taxa may exhibit many morphological autapomorphies. So although Acoraceae is the sister group to the remaining monocotyledons...

still resemble the common ancestor of the Spheniscinae, as Aptenodytes' autapomorphies are, in most cases, fairly pronounced adaptations related to that genus'...

venation that is actually a highly modified penniparallel one is an autapomorphy of some Melanthiaceae, which are monocots; e.g., Paris quadrifolia (True-lover's...

Jacques A. Gauthier. 2011. Autapomorphies of Diapsid Clades. Version 20 April 2011. http://tolweb.org/accessory/Autapomorphies_of_Diapsid_Clades?acc_id=465...

based on looking at the specimens assigned to Oxalaia, and the supposed autapomorphies of this taxon to be insignificant and fall within the hypodigm of Spinosaurus...

buttocks and a long, stout, permanently adducted hallux. These are hominin autapomorphies, not found in other mammals or other bipeds. It seems unlikely that...

bone are separated by a ridge. The last five traits were considered autapomorphies. The skull is fourteen centimetres long. Per side, the appending lower...

suggests that features of the bone would effectively demonstrate that autapomorphies of some tyrannosaurid taxa would be inadequate, due to the broad range...

18563/pv.43.1.e1. S2CID 214247325. Laurin, M. and Reisz, R. R., 1997, Autapomorphies of the main clades of synapsids - Tree of Life Web Project Synapsida:...

this genus are differentiated from other pliosaurids based on seven autapomorphies, including teeth that are triangular in cross section. Their diet would...

facet for the upper rib head, is totally lacking. Both traits could be autapomorphies, unique derived characters proving that SMA 0009 represents a distinct...

the pelvic and shoulder girdle. Proganochelys was also known for its autapomorphy features which included a tail club and a tubercle on the basioccipital...

further indication, according to Horner, was the failure to identify true autapomorphies – unique traits that prove a taxon is a separate species. The fossils...

rather intermediate between cormorants and darters (and lack clear autapomorphies of either). Thus, they may be quite basal members of the Palacrocoracoidea...

erectus have several unique characteristics from non-Asian populations (autapomorphies), but there is no clear consensus on what these characteristics are...

resulting from outgrowths of the air sacs of the neck. A number of autapomorphies (distinguishing features) can be found in the skull, including the pair...

Anseriformes have adapted to filter-feeding and are characterized by many autapomorphies related to this lifestyle. The extremely advanced feeding systems of...