Neogene Caribbean elasmobranchs: diversity, paleoecology and paleoenvironmental significance of the Cocinetas Basin assemblage (Guajira Peninsula, Colombia)

Carrillo-Briceño, Jorge Domingo; Luz, Zoneibe; Hendy, Austin; Kocsis, László; Aguilera, Orangel; Vennemann, Torsten

doi:10.5194/bg-16-33-2019

Articles | Volume 16, issue 1

https://doi.org/10.5194/bg-16-33-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-16-33-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 1

Research article

|

08 Jan 2019

Research article |

| 08 Jan 2019

Neogene Caribbean elasmobranchs: diversity, paleoecology and paleoenvironmental significance of the Cocinetas Basin assemblage (Guajira Peninsula, Colombia)

Jorge Domingo Carrillo-Briceño, Zoneibe Luz, Austin Hendy, László Kocsis, Orangel Aguilera, and Torsten Vennemann

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Jun 2018	169	87	6	262
Jul 2018	42	20	3	65
Aug 2018	61	15	1	77
Sep 2018	23	6	0	29
Oct 2018	11	8	3	22
Nov 2018	9	5	0	14
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Jan 2019	303	117	10	430
Feb 2019	22	13	2	37
Mar 2019	15	16	2	33
Apr 2019	16	16	1	33
May 2019	39	27	2	68
Jun 2019	31	12	3	46
Jul 2019	16	14	0	30
Aug 2019	15	13	1	29
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Jun 2020	27	14	2	43
Jul 2020	27	21	1	49
Aug 2020	30	10	3	43
Sep 2020	21	17	1	39
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Jul 2025	56	37	5	98
Aug 2025	41	27	1	69
Sep 2025	213	38	4	255
Oct 2025	41	62	1	104
Nov 2025	53	57	4	114

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Short summary

By combining taxonomy and geochemistry, we corroborated the described paleoenvironments from a Neogene fossiliferous deposit of South America. Shark teeth specimens were used for taxonomic identification and as proxies for geochemical analyses. With a multidisciplinary approach we refined the understanding about the paleoenvironmental setting and the paleoecological characteristics of the studied groups, in our case, for the bull shark and its incursions into brackish waters.


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