Paragenidens Marceniuk et al. 2019

Marceniuk, Alexandre Pires, Oliveira, Claudio & Ferraris Jr, Carl J., 2024, A new classification of the family Ariidae (Osteichthyes: Ostariophysi: Siluriformes) based on combined analyses of morphological and molecular data, Zoological Journal of the Linnean Society 200 (2), pp. 426-476 : 443

publication ID

https://doi.org/ 10.1093/zoolinnean/zlad078

publication LSID

lsid:zoobank.org:pub:5D6C7EBF-E568-4100-9364-2DD357003878

DOI

https://doi.org/10.5281/zenodo.11282607

persistent identifier

https://treatment.plazi.org/id/03F32B77-FFF6-FFB0-0C4B-FF59FDE44C00

treatment provided by

Plazi

scientific name

Paragenidens Marceniuk et al. 2019
status

 

Paragenidens Marceniuk et al. 2019

( Figs 1–3 View Figure 1 View Figure 2 View Figure 3 , 12C View Figure 12 , 15 View Figure 15 )

Type species: Arius grandoculis Steindachner, 1877 .

Diagnosis

Mesethmoid median portion very narrow (2, 1> 0); lateral horn of lateral ethmoid long and posteriorly oriented (12, 1> 2); bony bridge formed by lateral ethmoid and frontal cylindrical and thin (16, 0> 1); frontal mesial laminar projection absent (23, 1> 0); anterior margin of vomer very pronounced and acute (50, 0> 1); lateral expansions of orbitosphenoid and pterosphenoid absent (64, 1> 0); optic foramen very large (67, 1> 0), homoplastic in Potamarius ; distance between optic foramen and trigemino-facialis foramen small, equal to width of trigemino-facialis foramen (68, 1> 0); contact face for articulation of transcapular process with basioccipital large and depressed (85, 0> 1); transcapular process very short and thick (87, 0> 1); maxilla lateral and mesial margins considerably closer to each other proximally, distally narrow and pointed (102, 2> 3); premaxilla very wide and short, only as long as wide (120, 1> 3); opercle posterior portion well developed posteriorly (129, 0> 1); interopercle rectangular (134, 0> 1), homoplastic in Potamarius ; metapterygoid one and one-half times longer than deep in perpendicular section (135, 1> 2); metapterygoid anterior process truncate (138, 0> 1); bony blade connecting posterolateral processes of urohyal absent (159, 0> 1); third basibranchial long and narrow (169, 1> 2); third pharyngobranchial funnel shaped (192, 1> 0); 14 or fewer ribs (213, 1> 0).

Ambiguous optimization: Posterior cranial fontanel relatively narrow and long (27, 0> 1).

Included species

Paragenidens grandoculis (Steindachner, 1877) .

Habitat and distribution: Fresh and brackish waters, east coast of Brazil ( Fig. 12 View Figure 12 ).

Remarks

The total-evidence analysis corroborates the result of a previous morphological and molecular study that supports the recognition of Paragenidens ( Marceniuk et al. 2019c) .

Kingdom

Animalia

Phylum

Chordata

Order

Siluriformes

Family

Ariidae

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