First record of
            <i>Otozoum</i>
            from Namibia

Porchetti, Simone D’Orazi; Mocke, Helke; Latiano, Marianna; Wagensommer, Alexander

doi:10.1111/let.12088

Cited by 10 publications

(3 citation statements)

References 18 publications

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“…förster et al 1999) in the Middle Unit of the Etjo, and the identification of a trackway referred to Otozoum moodii at the Omuramba Omambonde locality, northeast of the Waterberg Plateau (D'orazi PorcHetti et al 2015), have consistently constrained the age of this Formation to the Early Jurassic.…”

Section: Geological Settingmentioning

confidence: 96%

“…While the remaining two forms appear to be genuinely African, one of them (Kayentapus damarensis) is similar enough to North American forms to warrant inclusion in the same ichnogenus. In addition to the rich record at Otjihaenamaparero, D'orazi PorcHetti et al (2015) recently reported Otozoum moodii trackways from the Etjo Formation at the Omuramba Omambonde tracksite, some 185 km NE of Otjihaenamaparero, adding another classical North American ichnotaxon to the Namibian Early Jurassic ichnofauna. The same ichnotaxon has recently been reported also from Northern Africa (masrour & Pérez-lorente 2014).…”

Section: Biogeographic Affinity Of the Etjo Formation Ichnofaunamentioning

confidence: 97%

“…Although never published in paleontological literature, these sites have previously been reported in non-technical journals (WiecHmann 1983;PickforD 1994) as well as unpublished reports (cosburn 1980, 1990; grote 1984). Our revision of these two localities is being published separately (D'orazi PorcHetti et al 2015;Wagensommer et al in press).…”

Section: Introductionmentioning

confidence: 99%

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Dinosaur diversity in an Early Jurassic African desert: the significance of the Etjo Sandstone ichnofauna at the Otjihaenamaparero locality (Namibia)

Wagensommer¹,

Latiano²,

Mocke³

et al. 2016

njgpa

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About 350 dinosaur footprints, including the longest dinosaur trackway currently on record in Africa, are preserved in the Lower Jurassic Etjo Formation at the Otjihaenamaparero 92 Farm in north-central Namibia. This historically significant locality was among the first dinosaur tracksites ever to be reported from the African continent and is today a National Monument and tourist destination. Nevertheless, its ichnofauna was never described in any detail. Herein we discuss its significance for southern African palaeontology. Although originally described in the 1920ies as new ichnotaxa and later compared to other ichnotaxa described from Lesotho, most tracks of the Namibian Etjo Formation are referable to the classic North American ichnogenera Eubrontes, Anchisauripus and Grallator. A single median-sized theropod trackway is cautiously assigned to Kayentapus, but shows characters that differ from North American and European Kayentapus, linking it to other "Kayentapus-like" tracks from Lesotho and Madagascar. A small-sized functionally tridactyl morphotype with posteriorly directed hallux, common at Otjihaenamaparero, appears to represent a genuinely African form that may also occur in Lesotho. This ichnofauna strengthens the assignment of an Early Jurassic age to the Etjo Formation and opens a window on the diversity of dinosaur communities in arid environments of Early Jurassic southern Gondwana.

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Section: Geological Settingmentioning

confidence: 96%

Section: Biogeographic Affinity Of the Etjo Formation Ichnofaunamentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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Dinosaur diversity in an Early Jurassic African desert: the significance of the Etjo Sandstone ichnofauna at the Otjihaenamaparero locality (Namibia)

Wagensommer¹,

Latiano²,

Mocke³

et al. 2016

njgpa

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Jurassic vertebrate tracks and traces

Foster,

Harris,

Milner

et al. 2025

Vertebrate Ichnology

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A chronostratigraphic framework for the upper Stormberg Group: Implications for the Triassic-Jurassic boundary in southern Africa

Bordy

Abrahams

Sharman

et al. 2020

Earth-Science Reviews

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The upper Stormberg Group (Elliot and Clarens formations) of the main Karoo Basin is well-known for its fossil vertebrate fauna, comprising early branching members of lineages including mammals, dinosaurs, and testudinates. Despite 150 years of scientific study, the upper Stormberg Group lacks radioisotopic age constraints and remains coarsely dated via imprecise faunal correlations. Here we synthesise previous litho-and magnetostratigraphic studies, and present a comprehensive biostratigraphic review of upper Stormberg fauna. We also present the results of the first geochronological assessment of the unit across the basin, using U-Pb dates derived from detrital zircons obtained from tuffaceous sandstones and siltstones, the youngest of which are considered maximum depositional ages. Our results confirm that the Elliot Formation contains the Triassic-Jurassic boundary, making it one of the few fossiliferous continental units that records the effects of the end-Triassic Mass Extinction event. Our work suggests a mid-Norian-Rhaetian age for the lower Elliot Formation and a Hettangian-Sinemurian age for the upper Elliot Formation, although the precise stratigraphic position of the Triassic/Jurassic (Rhaetian/Hettangian) boundary remains somewhat uncertain. A mainly Pliensbachian age is obtained for the Clarens Formation. The new dates allow direct comparison with better-calibrated Triassic-Jurassic faunas of the Western Hemisphere (e.g., Chinle and Los Colorados formations). We show that sauropodomorph, but not ornithischian or theropod, dinosaurs were well-established in the main Karoo Basin ~220 million years ago, and that typical Norian faunas (e.g., aetosaurs, phytosaurs) are either rare or absent in the lower Elliot Formation, which is paucispecific compared to the upper Elliot. While this is unlikely the result of geographic sampling biases, it could be from historical sampling intensity differences.

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First record of Otozoum from Namibia

Cited by 10 publications

References 18 publications

Dinosaur diversity in an Early Jurassic African desert: the significance of the Etjo Sandstone ichnofauna at the Otjihaenamaparero locality (Namibia)

Dinosaur diversity in an Early Jurassic African desert: the significance of the Etjo Sandstone ichnofauna at the Otjihaenamaparero locality (Namibia)

Jurassic vertebrate tracks and traces

A chronostratigraphic framework for the upper Stormberg Group: Implications for the Triassic-Jurassic boundary in southern Africa

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