Hemipimelodus Bleeker 1857
- Dataset
- A new classification of the family Ariidae (Osteichthyes: Ostariophysi: Siluriformes) based on combined analyses of morphological and molecular data
- Rank
- GENUS
Classification
- kingdom
- Animalia
- phylum
- Chordata
- class
- Actinopterygii
- order
- Siluriformes
- family
- Ariidae
- genus
- Hemipimelodus
description
(Figs 1 – 3, 31) ZooBank registration: urn: lsid: zoobank. org: act: 84 D 53 B 59 - 4 ABB- 4 F 76 - B 370 - F 9 A 510 BB 29 F 2. Type species: Pimelodus borneensis Bleeker, 1851. Diagnosis Posterior branches of mesethmoid narrow (6, 0> 1); posterior branches of mesethmoid parallel along entire extension (7, 0> 1); fenestra delimited by lateral ethmoid and frontal very large (17, 1> 2); frontal mesial laminar projection absent (23, 1> 0); posterior cranial fontanel very wide and long (27, 1> 3); epiphyseal bar transversely elongate and longitudinally narrow (29, 0> 1); medial groove of cranium absent (30, 0> 1); fenestra delimited by parieto-supraoccipital, pterotic and sphenotic present (34, 0> 1); ventral crest of parieto-supraoccipital process well developed through entire extension of process (48, 0> 1); accessory tooth plates absent (58, 1> 0); optic foramen very reduced (67, 1> 2); ventral tip of subvertebral process spatulate (80, 2> 3); premaxilla narrow and very long, its length two to three times in width (120, 1> 2); ventral crest of hyomandibula absent (142, 0> 1); dorsal crest of urohyal projected anteriorly (156, 0> 1); anterior process of first hypobranchial inconspicuous (173, 1> 0); second hypobranchial transversely elongate, its mesial face acute (176, 0> 1); distal portion of uncinate process of third epibranchial acute (183, 1> 0); posterior margins of fourth epibranchial slightly convex, one-fourth as wide as long (187, 0> 1); median crest associated with neural spine of third vertebra very high (201, 0> 1); accessory crest connecting transverse and median crests associated with neural spine of fourth vertebra present (204, 0> 1); general aspect of superficial ventral ossification regularly arched (211, 0> 1); posterior process of cleithrum very short (224, 1> 0). Ambiguous optimization: Frontal as main component of bony bridge formed by lateral ethmoid and frontal (15, 0> 2); third basibranchial hourglass shaped (168, 1> 0); transverse crest associated with neural spine of fourth vertebra low (200, 1> 0). Included species Hemipimelodus borneensis (Bleeker, 1851). Habitat and distribution: Freshwater, South and Southeast Asia (Fig. 24). Remarks See Remarks of Cephalocassis.