| Cabindachelys Temporal range: Late Paleocene | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Clade: | Pancheloniidae |
| Genus: | † Cabindachelys Myers et al., 2017 [1] |
| Species | |
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Cabindachelys is a genus of extinct sea turtles. The only known species is Cabindachelys landanensis. [1]
A partial skull of the Cabindachelys has been found in Cabinda, Angola, by Timothy S. Myers, Michael J. Polcyn, Octávio Mateus, Diana P. Vineyard, A. O. Gonçalves, Louis L. Jacobs. [2]
Cabindachelys lived in deep subtidal indents of the shores of Cabinda, Angola. [3] [1] [4]
The name of Cabindachelys is a mixture of Cabinda the place where it lived and the Greek name for turtle. [2]
| Panchelonioidea |
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Bengo is a province of Angola. Its capital is Caxito. It has an area of 31,371 square kilometres, and its population as of the 2014 Census was 356,641. The province was created in 1980 by dividing the original province of Luanda into Bengo and a new smaller province of Luanda.
Ptolemaiida is a taxon of wolf-sized afrothere mammals that lived in northern and eastern Africa during the Paleogene. The oldest fossils are from the latest Eocene strata of the Jebel Qatrani Formation, near the Fayum oasis in Egypt. A tooth is known from an Oligocene-aged stratum in Angola, and Miocene specimens are known from Kenya and Uganda.
Euclastes is an extinct genus of sea turtles that survived the Cretaceous–Paleogene mass extinction. The genus was first named by Edward Drinker Cope in 1867, and contains three species. E. hutchisoni, was named in 2003 but has since been reassigned to the genus Pacifichelys, while E. coahuilaensis named in 2009 was reassigned as Mexichelys coahuilaensis in 2010.
Cacongo is a municipality in Cabinda Province, an exclave of Angola. Its principal town is Cacongo. Landana lies on the coast of the Atlantic Ocean, adjacent to Landana Bay. The municipality covers 1,679 square kilometres (648 sq mi) and had a population of 39,076 at the 2014 Census; the latest official estimate is 44,974.
Volgadraco is a genus of pteranodontian pterosaur from the Upper Cretaceous of European Russia.
Paleontology or palaeontology is the study of prehistoric life forms on Earth through the examination of plant and animal fossils. This includes the study of body fossils, tracks (ichnites), burrows, cast-off parts, fossilised feces (coprolites), palynomorphs and chemical residues. Because humans have encountered fossils for millennia, paleontology has a long history both before and after becoming formalized as a science. This article records significant discoveries and events related to paleontology that occurred or were published in the year 2009.
Angolachelys is an extinct genus of African marine turtle which existed in Angola during the Turonian stage of the Late Cretaceous. The type species is Angolachelys mbaxi. The type MGUAN-PA includes skull, jaw, and postcranial fragments found in the Tadi Beds of the Itombe Formation.
Pteranodontia is an extinct group of ornithocheiroid pterodactyloid pterosaurs. It lived during the Late Cretaceous of North America, South America, Europe and Africa. They were some of the most advanced pterosaurs, and possessed highly specialized cranial crests that may have served as sexual attraction, with males having a much larger crest.
Angolatitan is a genus of titanosauriform sauropod dinosaur from the Upper Cretaceous. It is also the first non-avian dinosaur discovered in Angola. The genus contains a single species, Angolatitan adamastor, known from a partial right forelimb. Angolatitan was a relict form of its time; it was a Late Cretaceous basal titanosauriform, when more derived titanosaurs were far more common.
The geology of Angola includes large areas of Precambrian age rocks. The west of the country is characterized by meta-sedimentary rocks of Proterozoic age including tillites assigned to the Bembe System. Overlying these are a thick pile of limestones and other marine sediments laid down during the Mesozoic and Cenozoic eras. Amidst the Proterozoic sequence are areas of crystalline basement dating from the Archaean. More Archaean basement rocks form the Kasai Craton in northeastern Angola. In the north, within the Cassanje Graben are clastic sediments and volcanic rocks of the Karoo Supergroup. Kimberlites and carbonatites resulting from magmatic activity during the Karoo period are found along a northeast-southwest line through the country. Continental sediments of the Kalahari Group are widespread in eastern Angola.
Alamodactylus is an extinct genus of pteranodontian pterosaur known from the Late Cretaceous of Texas, southern United States. It contains a single species, Alamodactylus byrdi.
The Bentiaba is a river in southern Angola. Its mouth is at the Atlantic Ocean near the commune of Bentiaba in Namibe Province.
Cardiocorax is an extinct genus of elasmosaurid known from the Late Cretaceous Mocuio Formation of Namibe Province, southern Angola. It contains a single species, Cardiocorax mukulu.
The Itombe Formation is a geological formation of the Kwanza Basin in Angola dated to the Coniacian stage of the Late Cretaceous. The environment of deposition is shallow marine. Reptile fossils have been recovered from the Tadi beds locality within the formation, including the dinosaur Angolatitan, the mosasaurs Angolasaurus and Mosasaurus iembeensis and the turtle Angolachelys. The Itombe formation was formerly considered Turonian in age, but new data suggests to be Coniacian.
Angolachelonia is a clade of extinct turtles from the Late Jurassic to Paleogene of Eurasia. The group is defined as all taxa derived from the ancestor of the type genus Angolachelys and Solnhofia, a definition that could potentially encompass a clade of entirely marine turtles. Angolachelonia was originally inclusive of only Solnhofia, Angolachelys and Sandownia when originally conceived by Octavio Mateus and colleagues in 2009, but later phylogenetic analyses by Serjocha Evers and Roger Benson in 2018 unites the family Sandownidae, including Angolachelys and Sandownia among other taxa, with the entirely Late Jurassic clade Thalassochelydia, where Solnhofia may be a basal member. While the placement of Solnhofia is weak and the clade that Angolachelonia represents may change with further analysis, the clade of Sandownidae and Thalassochelydia is well-supported, and does not collapse despite the uncertain evolutionary history of the group. Three alternative potential origins of Angolachelonia sensu Evers and Benson are shown below.
Calcarichelys is an extinct genus of protostegid turtle from the Late Cretaceous of the Selma Formation in Alabama, and possibly from Angola. It contains only one species, C. gemma.
Epapatelo is a genus of pteranodontian pterosaur from the late Cretaceous Mocuio Formation of Namibe Province, Angola. The genus contains a single species, E. otyikokolo, known from partial left limb bones.
The Mocuio Formation is a Late Cretaceous sedimentary rock formation found in southern Angola. It extends from the latest Campanian to the Early Maastrichtian. Many vertebrate fossils have been collected from the formation.
Bentiabasaurus was a gracile plotosaurine mosasaur from the Late Cretaceous Mocuio Formation of Angola. The type and only species of the genus, B. jacobsi, was described in 2023 by Michael Polcyn, Anne Schulp and António Gonçalves.
Cheloniidae family | ||||
|---|---|---|---|---|
| ||||
| Genera |
|  | ||
| † Allopleuron | ||||
| † Argillochelys | ||||
| Caretta | ||||
| † Carolinochelys | ||||
| Chelonia | ||||
| † Eochelone | ||||
| Eretmochelys | ||||
| † Gigantatypus | ||||
| † Glarichelys | ||||
| † Itilochelys | ||||
| Lepidochelys | ||||
| †Mexichelys | ||||
| †Miocaretta | ||||
| Natator | ||||
| † Pacifichelys | ||||
| † Syllomus | ||||
| † Tasbacka | ||||
Phylogenetic arrangement of turtles based on turtles of the world 2017 update: Annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status. †=Extinct. | ||||
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