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Project 3907: P.J. Bartels, P. Fontoura, D.R. Nelson, S. Orozco-Cubero, M. Mioduchowska, M. Gawlak, Ł. Kaczmarek, J. Cortés. 2021. A trans-isthmus survey of marine tardigrades from Costa Rica, Central America with descriptions of seven new species. Marine Biology Research. 17 (2):120-166.
Specimen: Parastygarctus sterreri (CR-4-2)
View: Habitus

Abstract

The Isthmus of Panama has had profound effects on the evolution and distribution of marine organisms, but impacts on meiofaunal animals have received little attention. Tardigrades are microscopic metazoan lobopodians that are ubiquitous in benthic communities worldwide, but little is known about marine tardigrades in Central America. Only two marine tardigrades have been identified to species level in all of Central America, and these came from a single sample of barnacles from El Salvador collected in 1953. Additionally, multiple haplotypes of Echiniscoides were reported from Costa Rica and Panama, but species names were not assigned. Here we report an extensive survey of both intertidal and subtidal marine tardigrades from both the Caribbean and Pacific coasts of Costa Rica. We found 702 individuals in 65 samples. There was a total of 19 taxa, seven of which are new to science with a sufficient quality and quantity of specimens to describe here. The new species are Archechiniscus murilloi sp. nov., Batillipes homocercus sp. nov., Batillipes ichthyocercus sp. nov., Echiniscoides costaricensis sp. nov., Echiniscoides ritavargasae sp. nov., Styraconyx vargasi sp. nov., and Tanarctus breedyae sp. nov. Ten taxa were found only in the Caribbean, six were found only in the Pacific, and three were found on both coasts. We discuss the three species with trans-isthmus distributions, and note two additional candidate geminate species pairs that warrant further investigation.


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Article DOI: 10.1080/17451000.2021.1901936

Project DOI: 10.7934/P3907, http://dx.doi.org/10.7934/P3907
This project contains
  • 254 Media
  • 8 Taxa
  • 9 Specimens
Total size of project's media files: 867.76M

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    Authors' Institutions

    • East Tennessee State University

    • Universidad de Costa Rica

    • Adam Mickiewicz University in Poznan

    • Universidade do Porto (University of Porto, CIBIO included)

    • University of Gdansk

    • Warren Wilson College

    • ISPA–Instituto Universitário, Portugal

    • National Research Institute, Poland



    Members

    member name taxa specimens media
    Paul Bartels
    Project Administrator    		89254


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