plesiomorphic


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Related to plesiomorphic: cladistics, Cladistic analysis, Plesiomorphy

ple·si·o·mor·phic

(plē'sē-ō-mōr'fik),
Similar in form.
Synonym(s): plesiomorphous

plesiomorphic

(of characters) primitive or ancestral.
References in periodicals archive ?
ocellatus Hensel, 1868, all later transferred to Kryptolebias by Costa (2004a) also exhibit other putative plesiomorphic conditions, and thus monophyly of Rivulus was weakly supported.
Andersen (1995b) diagnosed Tachygerrini by the location and structure of the metasternal scent apparatus, the venation of the forewing, and the retainment of pretarsal aroliae, even though this character is is probably plesiomorphic.
Our aim in this study was to investigate whether plesiomorphic representatives of Zodariidae feed on ants in nature and whether they possess adaptations for myrmecophagy.
Gold and Li (1991) hypothesized that a single pair of F' NOR chromosomes (defined as a NOR situated terminally on the short arm of a large-sized acro- or subtelocentric chromosome, which also is the largest chromosome in the complement) was plesiomorphic for the "Notropis"-like shiners.
Although many floral characters are probably plesiomorphic in Dasypogonaceae, some morphological characters strongly support a close relationship with the order Poales sensu lato (Table 3).
Within Reduviidae, as in the whole Cimicomorpha, the occurrence of three-segmented tarsi is a plesiomorphic condition.
By contrast, the structure in the hawaiiensis group (2 species) is much simplified, unlike those of the other species in the genus, and putatively plesiomorphic (Fig.
In Haplothripini species, the possession of 3 sensoria on antennal segment III is a plesiomorphic character state, which is retained by only a few genera (Mound & Minaei 2007).
Caudal skeleton elements of Apogonichthyoides miniatus were the plesiomorphic set of ossified elements (Fraser 1972: table 4).
susanae appears to be the more plesiomorphic, with shorter, more robust pedipalps and legs, and shorter ungues.
The preserved material shows characteristic plesiomorphic features for the genus, but lacks apomorphies.