Τάξη Σύνοψη for Elopiformes
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Κύρια Αναφ. |
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Τάξη |
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Elopiformes tarpons and tenpounders |
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Κλάση |
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Actinopterygii |
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Αδελφή Τάξη |
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Albuliformes 140 M years |
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Αναφ.. |
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Πρώτη καταγραφή απολιθώματος |
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early Cretaceous |
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Παρουσία σε |
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Θαλασσινό(ά) |
Γλυκά νερά |
Υφάλμυρο |
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Σχόλιο |
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Pelvic fins abdominal; body slender, usually compressed; gill openings wide; caudal fin deeply forked; caudal fin with seven hypurals; scales cycloid; mesocoracoid and postcleithra present; gular plate well developed (median); branchiostegal rays 23-35; mouth bordered by premaxilla and toothed maxilla; upper jaw extending past eye; tip of snout not overhanging mouth (mouth terminal or superior); no sensory canal extending onto the small premaxilla. Leptocephali small, maximum length about 5 cm, with a well-developed, forked, caudal fin, a posterior dorsal fin (pelvic fins in older larvae), and about 53-86 myomeres. |
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ΚλάσηΕτυμολογία |
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Greek aktis = ray, thunderbolt, beam + Greek pterygion, diminutive of pteryx = wing, fin. Ref. 45335. |
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ΤάξηΕτυμολογία |
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Greek, ellops = a kind of serpent + Latin, forma = shape (Ref. 45335). |
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Οικογένειες |
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