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Titanoboa cerrejonensis by avancna
by avancna

My first critique for Deviantart ... here we go ... The snake Titanoboa is the largest ever discovered and has caused some media attent...



Zimices's Profile Picture
Artist | Hobbyist
Current Residence: Colombia
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Some time age, I made a speculative terrestrial predatory crocodile for the :iconallocene:, of Cuba:

And now, in the latest issue of the Journal of Vertebrate Paleontology (released just this week!), I found this:

Christopher A. Brochu & Osvaldo Jiménez-Vázquez (2014) Enigmatic crocodyliforms from the early Miocene of Cuba, Journal of Vertebrate Paleontology, 34:5, 1094-1101

ABSTRACTEarly Miocene deposits from the Domo de Zaza locality, in the south-central Cuban province of Sancti Spiritus, preserve crocodyliform remains, including compressed serrated teeth closely resembling those of South American sebecids. Fragmentary cranial and mandibular material is more difficult to assess. Referral to any other post-Paleogene crocodyliform known from the Western Hemisphere can be ruled out, and phylogenetic analyses are unable to pinpoint its relationships. Similarities can be found with planocraniids, including ventrally oriented and mediolaterally expanded orbital surfaces, but the morphology of the quadrate is inconsistent with a planocraniid affinity. A sebecid in the Miocene of Cuba would be congruent with evidence from other vertebrates suggesting extensive dispersal between the Greater Antilles and South America during the Neogene, and it would be the first Neogene record of the group outside South America. The other crocodyliform may indicate the presence of an endemic West Indian lineage not closely related to any contemporaneous group. It is also consistent with extant Crocodylus arriving in the Neotropics within the past 5–10 million years.

Any of the two options - a planocraniid (formerly pristichampsid) or a sebecid is very interesting, and shows that in the past, the Antilles having an interesting terrestrial fauna that includes other lineages of crocodyliforms. Life is stranger than fiction, isn't? :)

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Ruschman Featured By Owner 3 days ago
How do you rate my gallery?
Zimices Featured By Owner 1 day ago  Hobbyist
I've looked your animals... something of these are interesting, I see that you like paleontology and you use paleoart to make your creations. For example, the entelodont. Anothers looks, I don't know how to say... maybe too "stiff", like the case of your "terror birds", although I understand how difficult is make a bird that looks well.
Ruschman Featured By Owner 1 day ago
I used references to draw these creatures, so the postures are fairly accurate.
By "stiff", you mean they do not appear fluent enough? If you name me some of the beasts that need to be fixed, perhaps I can draw them again.
ucumari Featured By Owner Oct 29, 2014
buen dias Sr Zimice  este link esta muy interesante… aunque confieso que me pone triste
Zimices Featured By Owner Oct 30, 2014  Hobbyist
Pues no hay como contrastar la noticia con lo que comenta su propia autora, te dejo un enlace a un blog en que Catalina Pimiento se refiere al tema: caribbeanpaleobiology.blogspot…

Muy interesante en mi opinión, significa que los megalodontes fueron víctimas de la crisis del final del Plioceno, y dejan la interesante reflexión de que la diversificación de las ballenas barbadas gigantes ocurrió mayormente después de su extinción... No veo porque eso pondría a alguien triste, excepto los que en vano buscan megalodontes vivos, además de yetis y demás fauna.
ucumari Featured By Owner Nov 1, 2014
Me pone triste pensar que nunca sera posible que uno de esos chiflados que buscan a esas magnificas bestias extintas o que nunca existieron se encuentre de frente con una  te imagina que pasaria
Zimices Featured By Owner Nov 1, 2014  Hobbyist
Sí, magníficas, pero ya tuvieron su tiempo. Y a riesgo de sonar sumamente pesimista, preferiría que esos chiflados como dices nunca encuentren nada, que todo va es solo a alimentar su discursillo pseudocientífico que roza más el carácter de secta que otra cosa.

Igual el mundo natural, amenazado como está, aún sigre ofreciendo nuevas especies, como Dendrogramma. Esas son las criaturas que hay que buscar.
(1 Reply)
Coloanas Featured By Owner Oct 29, 2014  New member Hobbyist Artist
Your an amazing artist. It seems that there is always a grayish color underneath every drawing, is this digital or did you make this by hand. :)
Zimices Featured By Owner Oct 29, 2014  Hobbyist
Hi, thanks for the appreciation (specially by calling me "artist"... I don't use that word for myself, I'm just an aficionado, hehe). About the drawings, yes, many of them are drawings made with pencils and improved digitally later, I've made ony few fully digital paintings.
Coloanas Featured By Owner Oct 30, 2014  New member Hobbyist Artist
Your lucky to have learned all of this without any lessons. I still have much to learn. :)
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