Dinosauria Translation and Pronunciation Guide I

Ben Creisler

Iguanodon Mantell 1825 "Iguana tooth"

i-GWAHN-o-don (Iguana (New Latin genus name from Sp. iguana, for Carib iwana, a native name for the lizard) + Gr. odon "tooth") (m) named for the resemblance of the teeth to those of the living iguana; Mantell explains: "the term Iguanodon, derived from the form of the teeth, (and which I have adopted at the suggestion of the Rev. W. Conybeare) will not, it is presumed, be deemed objectionable." Mantell originally considered using the name "Iguanosaurus," but deferred to Conybeare's more descriptive choice. Ornithopoda Iguanodontidae E. Cret. Eur., NA., CAs.

Iliosuchus von Huene 1932 "ilium crocodile"

IL-ee-o-SOOK-us (Lat. ilium "groin" + Gr. soukhos "crocodile") (m) named based on a small right ilium from Stonesfield, England. Theropoda Carnosauria i.s. M. Jur. Eur. [nomen dubium]

Ilokelesia Coria & Salgado 2000 "flesh-eating reptile"*

ee-loh-kay-LAY-see-yuh (Mapuche ilo "flesh" + Mapuche kelesio "lizard" + -ia) (f) named to indicate a carnivorous dinosaur from the Neuquén region of Argentina, where Mapuche is an indigenous Native American language. Ilokelesia is a medium-size (around 6 m (20 ft) long) theropod dinosaur based on an incomplete skeleton (Holotype: PVPH-35 (Paleontologia de Vertebrados, Museo Carmen Funes de Plaza Huincul, Neuquén)), including parts of a skull (right postorbital, right quadrate, occipital condyle), vertebrae (cervical, dorsal, caudal), foot phalanges (including unguals), and haemal arches, found in the Late Cretaceous (Albian-Cenomanian) Rio Limay Formation, Huincul Member, Neuquen Group at Aguada Grande, Neuquén Province, Argentina. Ilokelesia can be identified as a fairly primitive abelisaur based on details of the skull, and cervical and caudal vertebrae; it is characterized as a new genus based on such features as a quadrate with a very reduced lateral condyle, dorsal vertebrae lacking pleurocoels and caudal vertebrae in central third of the tail with distally expanded transverse processes bearing projecting processes.

Type Species: Ilokelesia aguadagrandensis [ah-GWAH-dah-grahn-DEN-sis] Coria & Salgado 2000: "from Aguada Grande," for the town where the specimen was found, 15 km south of Plaza Huincul City, Neuquén Province, Argentina. Theropoda Abelisauria Late Cretaceous (Albian-Cenomanian) SA

Indosaurus von Huene & Matley 1933 "Indian lizard"

IN-do-SAWR-us (Gr. Indos "India" + Gr. sauros "lizard") (m) referring to India, where the fossil was found. Theropoda ?Abelisauridae L. Cret. India

Indosuchus von Huene & Matley 1933 "Indian crocodile"

IN-do-SOOK-us (Gr. Indos "India" + Gr. soukhos "crocodile") (m) referring to India, where the fossil was found. Theropoda ?Abelisauridae L. Cret. India

Ingenia Barsbold 1981 "for Ingeni-Khobur"

ing-GAY-nee-a (Mongolian inge(n) "she-camel" + -ia) (f) probably named for the Ingeni-Khobur depression, geographical region west of the Nemegt Basin in southern Mongolia; the Khermin Tsav type locality is in the westernmost end of the Nemegt on the southeastern edge of Ingeni-Khobur. Theropoda Oviraptorosauria Oviraptoridae L. Cret. Mongolia

Inosaurus Lapparent 1960 "In Tedreft (Niger) lizard"

EE-no-SAWR-us (from Berber i-n-, particles use in certain place names + Gr. sauros "lizard") (m) named particularly for In Tedreft, Niger, where the type specimen vertebrae were found. Theropoda L. Cret. NAfr. [nomen dubium]

Irritator Martill, Cruickshank, Frey, Small & Clarke 1996 "irritator"

IHR-i-TAY-tor (Lat. irritator "one who irritates") (m) "from irritation, the feeling the authors felt (understated here) when discovering that the snout had been artificially elongated" by Brazilian commercial fossil collectors. A possible fish-eating form with an unusual crest at the back of the skull that may have anchored powered neck muscles. Theropoda Tetanurae Maniraptora Irritatoridae E. Cret. SA

Isanosaurus Buffetaut, Suteethron, Cuny, Tong, Le Loeuff, Khansubha, Jongautchariyakul 2000 "Isan lizard"

ee-sahn-o-SAWR-us (Isan, a local name for northeastern Thailand + Gr. sauros "lizard") (m) named to indicate a dinosaur found in northeastern Thailand (a region called Isan). Isanosaurus is a moderately large primitive sauropod, known from a partial skeleton (Holotype: CH4 (Paleontological collection, Department of Mineral Resources, Bangkok, Thailand)) found in the Late Triassic Nam Phong Formation at Phu Nok Khian hill near Ban Non Thaworn village, in Chaiyaphum Province, northeastern Thailand. The 14 bones and fragments (including cervical, dorsal and caudal vertebrae; right sternal plate, right scapula, left femur) represent an adolescent sauropod about 6.5 m (21 ft) long, possibly less the half adult size. The robust femur is 76 cm (2.5 ft) long and has a straight, flattened shaft and an articular head typical of sauropods. The vertebrae differ from those of prosauropods but are less advanced than in later sauropods: a short cervical centrum is opisthocoelous, with a strong ventral ridge and deeply concave sides; the caudal centra are amphicoelous; an isolated tall neural arch is longer than it is broad. Isanosaurus is the earliest known sauropod and provides the first direct skeletal evidence that sauropods had a long evolutionary history during the Late Triassic, a possibility previously suggested by trackway evidence and the widespread occurrence of sauropods in the Early Jurassic.

Type species: Isanosaurus attavipachi [uh-tah-vee-PAH-chie] Buffetaut, Suteethron, Cuny, Tong, Le Loeuff, Khansubha, Jongautchariyakul 2000 for P. Attavipach, former Director General of the Thai Department of Mineral Resources, a longtime supporter of paleontological research. Sauropoda Late Triassic Asia [added 12-2000]

Ischisaurus Reig 1963 "Ischigualasco (Argentina) lizard"

is-chee-SAWR-us (Ischi(gualasco) + Gr. sauros "lizard") (m) named for Ischigualasco Valley and Triassic rock formation, Argentina, where the fossil was found. [= Herrerasaurus]

Ischyrosaurus Hulke 1874 "strong lizard"

is-KIE-ro-SAWR-us (Gr. ischyros "strong" + Gr. sauros "lizard") (m) named for its "stupendous" humerus. (Preoccupied by Ischyrosaurus Cope 1869) [= ?Pelorosaurus]

Itemirus Kurzanov 1976 "of Itemir"

ee-te-MEER-us (m) named for the Itemir site (Dzhara-Kuduk), Navoi district of the Bukhara region, Kyzylkum Desert, Uzbekistan, where the fossil braincase was found; a possible dromaeosaur. Theropoda i.s. L. Cret. CAs. (Uzbekistan)

Iuticosaurus Le Leouff 1993 "Jute lizard"

YOO-ti-ko-SAWR-us (Lat. iuticos "belonging to the Jutes" + Gr. sauros "lizard") (m) for the Jutes, a Germanic people who invaded the Isle of Wight during the sixth century A.D.; for a specimen found on the Isle of Wight. Sauropoda Titanosauridae E. Cret. Eur.