A Remarkable New Genus of Carangidae from the Upper

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A Remarkable New Genus of Carangidae from the Upper © Zoological Institute, St.Petersburg, 2002 A remarkable new genus of Carangidae fron1 the Upper Paleocene of Turkmenistan (Osteichthyes: Perciformes) A.M. Prokofiev Prokofiev,A.M. 2002. A remarkable new genus ofCarangidae fromthe Upper Paleocene of Turkmenistan (Osteichthyes: Perciformes).Zoosystematica Rossica, 11(1): 219-228. A new genus and species of Carangidae, Uylyaichthys eugeniae gen. et sp. n., is de­ scribed from the Upper Paleocene (middle part of the Danata Formation) of Turkmenistan. It belongs to the subfamily Trachinotinae s. str. and differs from all known members of the family in the combination of low vertebral count (21 or possibly 22), parasphenoid strongly curved mesially, and unique predorsal formula0/0+0+0/l/. Uylyaichthys is con­ sidered to be a sister taxon for Trachinotus + Paratrachinotus, and Trachinotinae s. str. regarded as a sister group of Scomberoidinae. The genus Lichia is excluded from Trachinotinae s. str. and considered to be a sister taxon ofScomberoidinae + Trachinotinae s. str. A.M. Prokofiev, Department of Fishes and Fish-like Vertebrates, Palaeontological Insti­ tute, Russian Academy ofSciences, Profwyuznaya ul. 123, Moscow 117997, Russia. Introduction Material and methods Daniltshenko ( 1968) described the Upper Paleo­ Specimens described herein were collected by cene ichthyofauna of Uylya-Kushlyuk locality Dr. E.K. Sytchevskaya from the middle part of (Turkmenistan) and established 20 species. Danata Formation in Uylya-Kushlyuk locality. Among them, Daniltshenko described two forms, Uylya-Kushlyuk locality is situated 2 km NE of which he placed into the family Carangidae (Ar­ Uylya-Kushlyuk village, SW Turkmenistan, on chaeus oblongus and Trachicaranxtersus). Later, the western slope of the Kopetdagh Mountains Trachicaranx was transferredto the familyApo­ (38°38'N, 55°48'E). Danata Formation is com­ lectidae (Bannikov & F edotov, 1984), while Ar­ posed of the Upper Paleocene to the Middle chaeus oblongus now represents the earliest spe­ Eocene (Grossheim & Korobkov, 1975; Solun, cies undoubtedly belonging to Carangidae. 1975); fish-bearing layer of mottled clays lies at Carangid fishesare a widely distributed and com­ the base of the middle part of the Danata Forma­ mon group of Percoidei, which is relatively abun­ tion and has total thickness of 9 m. This layer is dant in fossils since Middle Eocene. now dated as terminal Upper Paleocene (Upper Archaeus is suggested to be one of the most Tanetien) (Muzylev, 1994). generalised genera of the Carangidae, but not The following fossil and recent (alcohol preserved, ancestral to other representatives of the family radiographed and partially dissected) species of Caran­ (Bannikov, 1990). Therefore, the divergent evo­ gidae and other percoid families from the collections of Palaeontological Institute, Moscow (PIN), Zoological lution of the Carangidae started earlier than Up­ Institute, St. Petersburg (ZISP), and Zoological Museum per Paleocene. In the extensive collection from of the Moscow University (ZMMU) are examined for Uylya-Kushlyuk locality, we founda remarkable comparison with the new genus and phylogenetic discus­ undescribed carangid, which has some resem­ sion (the number of specimens examined is given in pa­ renthesis; indicates fossil species): APOLECTJDAE: blance to the subfamily Trachinotinae and is t Apolectus niger (Bloch), ZISP, no. 38126, Tonkin Gulf important for elucidation of the trachinotine (2); ZMMU, no. 11188, Tonkin Gulf (2); tTrachicaranx phylogeny. This specimen is described in the tersus Daniltshenko, PIN, no. 2179-98, Upper Paleocene, present paper as a new genus and species, Uylya­ Turkmenistan (I; holotype). CARANGIDAE: Alectis ichthys eugeniae. ciliaris (Bloch), ZISP, no. 1222, Japan (I); A. indicus (Ruppe II), ZISP, no. 41599, Hainan I. (I); t Archaeus 220 A.M. Prokofiev: A new Paleocene genus o/Carangidae • ZOOSYST. ROSSICA Vol. l l oblongus Daniltshenko, PIN, no. 2179-94(l; holotype), 4141, Mediterranean Sea(3). POMATOMIDAE: t Ledne­ no. 2179-95( 1; paratype), and 3 uncatalogued specimens, via oligocenica (Smirnov), PIN, no. 4773, Upper all from Upper Paleocene of Turkmenistan; Caranx Oligocene - Lower Miocene, Apsheron Peninsula, Azer­ melampygus Cuvier, ZMMU, no. 5337, Timor I., Indo­ baijan (6); Pomatomus saltator (Linnaeus), ZISP, no. nesia (!); tCaranx sp., PIN, uncatalogued, Lower 4541, Black Sea offKaradag (3 I), PIN, uncatalogued, Oligocene, Gumista River, West Caucasus(2); Caran­ market specimens( 4). RACHYCENTRIDAE:Rachycent­ goides armatus(Forskal), ZISP, no. 3621, Philippines( 1 ); rum canadum(Linnaeus), ZISP, no. 41069, Hainan I.(I). C.ferdau(Forskal), ZISP, no. 2545, Red Sea(!); ZMMU, SCIAENIDAE: Sciaena umbra Linnaeus, ZISP, no. no. 12252, Indian Ocean(3); Chloroscombrus chrysurus 32306, Black Sea off Sevastopol (I); Umbrina cirrosa (Linnaeus), ZISP, no. 37645, West AfricaoffKonakri (1), (Linnaeus}, ZISP, no. 1817, Black Sea (I). SPARIDAE: ° ZMMU, no, 12621, Gulf of Mexico, 28°20'N, 90 00'E Diplodus annu/aris (Linnaeus), ZISP, no. 22670, Black (3); C. orqueta Jordan & Gilbert, ZMMU, no. 13640, Sea offSevastopol (6); D. sargus (Linnaeus), ZISP, no. Pacific Ocean offPeru (5) ; Chorinemus /ysan(Forskal), 912, Nizza(I); Pagel/us erythrinus(Linnaeus), ZISP, no. ZISP, no. 39473, Hainan I. (2), ZMMU, no. 12380, In­ 14283, Biscay Gulf(I); Puntazzo puntazzo (Gmelin), dian Ocean (I); Decapterus lajang Bleeker, ZISP, no. ZISP, no. 32298, Black Sea offSudak (I); Sarpa salpa 37680, WesternAustralia (I); ZMMU, no. 12036, Indian (Linnaeus), ZISP, no. 2740, Cadix (I). In order to evalu­ Ocean (4); D. maruadsi(Temminck & Schlegel), ZISP, ate phylogenetic relationships cladistic approach formu­ no. 42104, Tonkin Gulf (2); Gnathanodon speciosus lated by Hennig(1966) adopted. (Forskal), ZISP, no. 41515, Hainan I. (I); Hemicaranx Abbreviation: SL ·- standard length. sechurae(Hildebrand), ZMMU, no. 13504, PacificOcean off Peru (3); Lichia amia (Linnaeus), ZISP, no. 6815, Canaries(l); ZMMU, no. 9920, Senegal(I), no. 5307, Order PERCIFORMES Naples(2); Naucrates ductor(Linnaeus), ZISP, no. 426, Madeira(!); ZMMU, no. 4913, Naples(I); O/igoplites Family CARANGIDAE Rafinesque, 1815 saurus (Bloch & Schneider), ZMMU, no. 11583, Cuba (2); Paronasignata (Jenyns), ZISP, no. 42649, Rio de la Genus Uylyaichthys gen. n. Plata off Montevideo (I); t Scomberoides spinosus (Smimov), PIN, uncatalogued, Middle Miocene, Cher­ naya Rechka, Azerbaijan(2); Scyris a/exandrinus(Geof­ Type species. Uylyaichthys eugeniae sp. n. froy Saint-Hilaire), ZISP, no. 41019, West Africa off Diagnosis. Body deeply fusiform, with dorsal Dakar; t Selar cf. quassus Bannikov, PIN, nos. 4773/128, profile slightly more convex than ventral one; 130-131, Upper Oligocene - Lower Miocene, Apsheron maximum body depth contained nearly 2.6 times Peninsula, Azerbaijan(3); Se/amidesleptolepis (Cuvier), in SL. Head moderately long, with high fronto­ ZISP, no. 38147, Tonkin Gulf(!); ZMMU, no. 10857, TonkinGulf (I); Selene vomer(Linnaeus), ZISP, no. 1360, supraoccipital crest, anteriorly extended forward Rio de Janeiro(!); S. (Mitchill), ZMMU, no. to orbit. Mouth oblique; angle between mouth setapinnis ° 10479, West Africa, off Dakar (l); Serio/a dumerili rim and longitudinal body axis about 40 . Pre­ (Risso), ZMMU, no. 4950, Naples(2); S. quinqueradiata maxillary with very small conical teeth in sev­ Temminck & Schlegel, ZISP, no. 4757, Yokohama, Ja­ eral rows. Supramaxillary present. Rear of max­ pan (3); Trachinotus bail/oni Lacepede, ZISP, no. 624, Amboina (l); T. blochii (Lacepedc), ZMMU, no. 155, illary extends only to anterior third of orbit. Samoa(!); T. ovatus(Linnaeus), ZISP, no. 3258, Bahia Parasphenoid slender in lateral view and strongly (2), no. 11450, Naples(l); T. paitensis Cuvier, ZMMU, curved mesially. Posttemporal with equidimen­ no. 18695, near Callao, Peru (1 ); T. russe/li Cuvier & sional dorsal and ventral branches. Pelvic bones Valenciennes, ZISP, no. 23559, Kominato, Amami­ without postpelvic processes forming "apical Oshima, Japan (I}; ZMMU, no. 153, Atlantic? (I); fork". Vertebrae21 or 22, of which 9 abdominal Trachinotus sp., ZMMU, no. 9872, off St. Louis (I); Trachurus trachurus(Linnaeus), ZISP, no. 2829, locality and 12 or 13 caudal. Inferior vertebral foramina unknown(!); Tjaponicus(Temminck & Schlegel), ZISP, absent. Ribs long and strong, extending nearly no. 31376, Japan (I); T. mediterraneus (Steindachner), to ventral margin of body; all of them immedi­ ZMMU, no. 20449, Kerch Strait(!). CORYPHAEN­ ately attached to lateral sides of vertebral centra. IDAE: Linnaeus, ZISP, no. 42244, Coryphaenahippurus Caudal-fin support with three epurals and sepa­ Sea of Japan (2). LACTARIIDAE: Lactarius lactarius (Bloch & Schneider), ZISP, no. 36050, Hainan I. (3). rate fifth hypural. Dorsal fin with 7 spines and LEIOGNATHIDAE: Gazza minuta(Bloch), ZMMU, no. about 24 soft-rays; spines posteriorly increasing 5325, Manila (I); Leiognathus bindus (Valenciennes), in length. Predorsal formula (Ahlstrom et al., ZISP, no. 41136, Singapore(2); L. brevirostris, ZMMU, 1976) 0/0+0+0/l/. Anterior projection of first no. 10950, Tonkin Gulf(2); L. equula(Forskal), ZISP, supraneural touching apex of supraoccipital crest. no. 37457, Hainan I. (I); ZMMU, no. 5383, Cebu, Moluccas (I); t Leiognathoides(?) altapinna (Weiler), Anal fin with 3 spines and about 16 soft-rays. PIN, uncatalogued, Lower Oligocene, Ljubizhna River, No traces of anterior lobes in soft portions of Ukrainian Carpathians(!); tL. minutus(Daniltshenko), dorsal and anal finspresent. Ventro-analdistance
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