Zby

Mateus et al. 2014

Zby is an extinct genus of turiasaurian sauropod dinosaur known from the Late Jurassic, particularly late Kimmeridgian stage of the Lourinhã Formation, in central west Portugal. It contains a single species, Zby atlanticus. It is named after Georges Zbyszewski, who studied the geology and paleontology of Portugal.

Temporal range

Triassic

Jurassic

Cretaceous

Paleogene

Neogene

252 201 145 66 0 Ma

PBDB occurrences

Group

Dinosaures

Herbivore Ground dwelling, gregarious Terrestrial

click to enlarge

Cranial and postcranial sauropod remains from sediments of the Praia da Amoreira-Porto Novo Fm. of the coastal sector of Praia da Consolação-Lourinhã-Torres Vedras: 1-2, ?Turiasauria indet., heart-shaped tooth (SHN (JJS) 142, Praia da Corva) in lingual (1) and labial (2) views; 3-4, ?Macronaria indet., spatulate tooth (SHN 513, Porto Novo) in labial (3) and lingual (4) views; 5-6, Macronaria indet., compressed cone-chisel-shaped tooth (SHN 578, Valmitão) in lingual (5) and labial (6) views; 7-8, Eusauropoda indet., partial left maxilla (SHN 582, Praia dos Frades) in lateral (7) and posterior (8) views; 9, Titanosauriformes indet., posterior caudal vertebra (SHN 523, Praia da Corva) in right view; 10-12, Diplodocinae indet., partial skeleton (SHN (JJS) 177, Valmitão), anterior caudal neural spine in posterior view (10), anterior caudal centrum in right view (11) and left ischium in medial view (12); 13-16, holotype material of Zby atlanticus (ML 368, Vale de Pombas), right ungueal I in lateral view (13), right humerus in anterior view (14), right radius in posterior view (15), right ulna in lateral view (16); 17, Eusauropoda indet., partial distal forked-chevron (SHN 587, Praia da Corva) in medial view; 18, Sauropoda indet., pedal ungueal I (SHN 524, Praia de Pedrogãos) in lateral view; 19-22, Macronarian indet., partial skeleton (SHN 181, Valmitão), right astragalus in proximal view (19), anterior caudal vertebra in anterior view (20), right tibia in lateral view (21) and right fibula in medial view (22); 23-24, Eusauropoda indet., partial skeleton (SHN 530, Praia da Corva), anterior chevron in anterior view (23) and anterior caudal vertebra in posterior view (24); 25, cf. Duriatitan humerocristatus, humerus (MG 4976, Praia dos Frades) in anterior view; 26, Sauropoda indet., partial skeleton (SHN 534, Santa Rita), middle chevron in posterior view; 27, Diplodocidae indet., partial skeleton (SHN (JJS) 179, Praia Vermelha), dorsal/caudal (?) neural spine in posterior view; 28-30, holotype material of Dinheirosaurus lourinhanensis (ML 414, Porto Dinheiro), proximal end of a dorsal rib in anterior view (28), anterior caudal neural spine in posterior view (29) and articulated dorsal vertebrae in right view (30). Black scale bar: 10 cm; Grey scale bar: 5 cm; Brown scale bar: 1 cm. See Anatomical abbreviations for abbreviations. © Pedro Mocho, Rafael Royo-Torres, Fernando Escaso, Elisabete Malafaia, Carlos de Miguel Chaves, Iván Narváez, Adán Pérez-García, Nuno Pimentel, Bruno C. Silva, & Francisco Ortega · CC BY 4.0 · Wikimedia

PBDB ↗ Wikipedia ↗

Classification

Dinosauria Unranked clade

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Saurischia Unranked clade

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Sauropodomorpha Unranked clade

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Massopoda Unranked clade

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Sauropodiformes Unranked clade

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Sauropoda Unranked clade

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Gravisauria Unranked clade

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Eusauropoda Unranked clade

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Turiasauria Unranked clade

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Zby Genus

Fossil sites 2 geolocated sites

Distribution

Top countries

🇵🇹 Portugal

Geological formations

Praia da Amoreira-Porto Novo

Lourinhã

Temporal distribution

Kimmeridgian (154.8–149.2 Ma)

Species (1)

Zby atlanticus 152 Ma

Bibliography

Original description

O. Mateus, P. D. Mannion, and P. Upchurch. 2014. Zby atlanticus, a new turiasaurian sauropod (Dinosauria, Eusauropoda) from the Late Jurassic of Portugal. Journal of Vertebrate Paleontology 34(3):618-634 DOI ↗

Bibliography (2)

C. Ribeiro and O. Mateus. 2018. Stratigraphic position of the Late Jurassic tetrapods from Porto Dinheiro (Lourinhã, Portugal). 1st Palaeontological Virtual Congress DOI ↗