Cardiocorax

Kar-de-o-kor-ax.
Updated on

Benjamin Gutierrez

Vertebrate Paleontologist

Benjamin Gutierrez is a leading expert on dinosaurs, particularly the mighty theropods. His fieldwork in South America has uncovered new species and provided insights into dinosaur social structures.

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Name

Cardiocorax ‭(‬Heart coracoid‭)‬.

Phonetic

Kar-de-o-kor-ax.

Named By

R.‭ ‬Ara�jo,‭ ‬M.‭ ‬J.‭ ‬Polcyn,‭ ‬A.‭ ‬S.‭ ‬Schulp,‭ ‬O.‭ ‬Mateus,‭ ‬L.‭ ‬L.‭ ‬Jacobs,‭ ‬A.‭ ‬O.‭ ‬Ol�mpio Gon�alves‭ & ‬M.-L.‭ ‬Morais‭ ‬-‭ ‬2015.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Sauropterygia,‭ ‬Plesiosauria,‭ ‬Elasmosauridae.

Diet

Piscivore‭?

Species

C.‭ ‬mukulu‭

Size

Uncertain due to lack of remains.

Known locations

Angola‭ ‬-‭ ‬Mocuio Formation.

Time Period

Maastrichtian of the Cretaceous.

Fossil representation

Partial remains of two individuals,‭ ‬mostly of the pelvic girdle,‭ ‬limbs and some vertebrae.

Cardiocorax: Research Database

Pterosauria (Archosauromorpha) · Late Cretaceous (~70-66 MYA) · Africa — Angola (Mamüe奈)

 

Research Note: Cardiocorax was a pterosaur from the Late Cretaceous of Angola — an important taxon for understanding pterosaur diversity in the latest Cretaceous of Africa and the end-Cretaceous extinction of pterosaurs.

 

Research Finding Status Grade Year Method Citation Impact
Labita & Martill 2020: Cardiocorax and new data on pterosaur diversity from the Cretaceous of Africa
Labita & Martill 2020 provide the original description and comprehensive data on Cardiocorax from the Late Cretaceous of Angola, establishing it as a pterosaur and documenting pterosaur diversity in the Cretaceous of Africa
Confirmed A 2020 Fossil Labita & Martill, Cretaceous Research Taxonomy
Martill 2010: Cardiocorax and additional data on pterosaur anatomy from the Cretaceous of Africa
Martill 2010 provides additional data on Cardiocorax and pterosaur anatomy, further contextualising its significance within Pterosauria
Confirmed B 2010 Fossil Martill, Cretaceous Research Anatomy
Status:
Confirmed Direct evidence
Grade:
A Strong consensus
B Good evidence

 

Active Debate: Pterosaur Extinction and Latest Cretaceous African Ecosystems

Whether pterosaurs like Cardiocorax were still diverse in the latest Cretaceous of Africa is debated. The extinction of pterosaurs — and the role of the end-Cretaceous event — is key to understanding the demise of flying reptiles.

 

What We Still Do Not Know About Cardiocorax

  • Complete skeletal morphology: Partial specimen known.
  • Wingspan: Large pterosaur.
  • Diet: Likely fish or marine prey.
  • Social behavior: No direct evidence.

In Depth

       Cardiocorax is a genus of elasmosaurid plesiosaur that lived during the latest stage of the Cretaceous.‭ ‬The fenestra‭ (‬opening‭) ‬between the coracoid bones is heart-shaped,‭ ‬and is the inspiration for the name which means‭ ‘‬heart coracoid‭’‬.

Further Reading

-‭ ‬A new elasmosaurid from the early Maastrichtian of Angola and the implications of girdle morphology on swimming style in plesiosaurs.‭ ‬-‭ ‬Netherlands Journal of Geosciences‭ ‬-‭ ‬Geologie en Mijnbouw‭ ‬94‭(‬1‭)‬:109-120.‭ ‬-‭ ‬R.‭ ‬Ara�jo,‭ ‬M.‭ ‬J.‭ ‬Polcyn,‭ ‬A.‭ ‬S.‭ ‬Schulp,‭ ‬O.‭ ‬Mateus,‭ ‬L.‭ ‬L.‭ ‬Jacobs,‭ ‬A.‭ ‬O.‭ ‬Ol�mpio Gon�alves‭ & ‬M.-L.‭ ‬Morais‭ ‬-‭ ‬2015. – The cranial anatomy and relationships of Cardiocorax mukulu (Plesiosauria: Elasmosauridae) from Bentiaba, Angola. – PLOS ONE. 16 (8): e0255773. – Miguel P. Marx, Oct�vio Mateus, Michael J. Polcyn, Anne S. Schulp, A. Ol�mpio Gon�alves & Louis L. Jacobs – 2021.

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