Tauana Junqueira Cunha

Tauana Junqueira Cunha
Smithsonian Tropical Research Institute · Naos Marine Laboratories

Ph.D.

About

11
Publications
5,971
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86
Citations
Introduction
I am broadly interested in the biology and evolution of marine invertebrates, and in how biodiversity originates and is maintained. I combine high-throughput molecular data and shell morphology to study the evolutionary relationships of gastropods, their biogeography, and the evolution of shell shape. As an undergrad at the University of Sao Paulo, Brazil, I studied the diversity/ecology of macrofaunal communities associated to algae, and polychaete diversity.
Additional affiliations
October 2019 - December 2019
Harvard University
Position
  • PostDoc Position
January 2018 - May 2018
Harvard Extension School
Position
  • Teaching Assistant: Invertebrate Zoology
September 2017 - December 2017
Harvard University
Position
  • Teaching Assistant: Phylogenetics and Phylogeography in the Era of Genomics
Education
September 2013 - July 2019
Harvard University
Field of study
  • Organismic and Evolutionary Biology
March 2007 - December 2011
Universidade de São Paulo
Field of study
  • Biological Sciences
March 2007 - December 2012
Universidade de São Paulo
Field of study
  • Biological Sciences

Publications

Publications (11)
Article
Full-text available
Gastropod molluscs are among the most diverse and abundant animals in the oceans, and are successful colonizers of terrestrial and freshwater environments. Past phylogenetic efforts to resolve gastropod relationships resulted in a range of conflicting hypotheses. Here, we use phylogenomics to address deep relationships between the five major gastro...
Article
Full-text available
Phylogenetic analyses may suffer from multiple sources of error leading to conflict between genes and methods of inference. The evolutionary history of the mollusc clade Vetigastropoda makes them susceptible to these conflicts, their higher level phylogeny remaining largely unresolved. Originating over 350 million years ago, vetigastropods were the...
Article
Full-text available
Deciphering the evolutionary relationships of Chelicerata (arachnids, horseshoe crabs, and allied taxa) has proven notoriously difficult, due to their ancient rapid radiation and the incidence of elevated evolutionary rates in several lineages. While conflicting hypotheses prevail in morphological and molecular datasets alike, the monophyly of Arac...
Preprint
Full-text available
Deciphering the evolutionary relationships of Chelicerata (arachnids, horseshoe crabs, and allied taxa) has proven notoriously difficult, due to their ancient rapid radiation and the incidence of elevated evolutionary rates in several lineages. While conflicting hypotheses prevail in morphological and molecular datasets alike, the monophyly of Arac...
Article
Full-text available
The phylogenetic relationships within the molluscan class Polyplacophora (chitons) have been studied using morphology, traditional Sanger markers and mitogenomics, but, to date, no analysis has been carried out using transcriptomic and genome-wide data. Here, we leverage the power of transcriptomes to investigate the chiton phylogeny to test curren...
Preprint
Full-text available
Abalones, turban snails, top snails, keyhole limpets and slit shells are just some of the diverse marine Vetigastropoda. With major lineages having ancient divergences in the Paleozoic Era, basal nodes in the phylogeny have been largely unresolved. Here we present the first genomic-scale dataset focused on vetigastropods, including a comprehensive...
Preprint
Full-text available
Gastropod mollusks are arguably the most diverse and abundant animals in the oceans, and are successful colonizers of terrestrial and freshwater environments. Here we resolve deep relationships between the five major gastropod lineages - Caenogastropoda, Heterobranchia, Neritimorpha, Patellogastropoda and Vetigastropoda - with highly congruent and...

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Projects

Project (1)
Project
Background and scientific justification Marine sea slugs are highly diverse and common gastropod molluscs (Heterobranchia) mostly found at shallow depths all over the world, having a diversity peak in the Indo-Pacific. In the past decade, intensive sampling and systematic work have been conducted in the Western Pacific (e.g., Gosliner et al. 2015). Nonetheless, large geographic areas from the Indian Ocean have been poorly explored, although sometimes revealed astonishing undescribed diversity, i.e., western Indian Ocean (Tibiriçá et al. 2017), northern Indian Ocean (Apte and Bhave 2014), and some central islands, e.g., Chagos (Yonow et al. 2001) and Mauritius (Yonow and Hayward 1991). Particular studies in Maldive heterobranch fauna are limited to three papers, by Eliot (1903), Marcus and Marcus (1960), and Yonow (1994). They all describe several new species, some of them never reported again, alongside some common Indo-Pacific ones. The majority of the species described were nudibranchs, all collected at diving depths, and most belonging to Phyllidiidae. Unfortunately, the bulk of species belonging to that family were never described but merely briefly mentioned by Yonow (1994). In total 23 species were newly described, sometimes unique, elusive and monotypic genera such as Doridomorpha, Njurja, Pinufius or Sebadoris. Only very recently a digital guide presents a list of 109 species from the Maldives, 14 of them representing undescribed species (Anderson 2018). Highly diverse heterobranch orders, such as the algal-feeder sacoglossans and anaspideans with only six and three species, respectively, may have been greatly overlooked since they are commonly found at shallow depths in the presence of algal communities elsewhere. Likewise, only one species of interstitial acochlidean has been reported in the area (Marcus and Marcus 1960) and only four species of the sand burrowing cephalaspideans were found (Yonow 1994). Much undescribed species diversity for some genera has been reported in the Indo-Pacific, sometimes with dozens of diverse morphotypes never studied (Gosliner et al. 2015). Moreover, recent phylogenetic studies on several groups in the Indo-Pacific revealed unparagoned diversity, recent examples include the charismatic Phyllidiidae and Chromodoridae, with dozens of new species described (Stoffels et al. 2016; Epstein et al. 2018). Still, species from the central Indian Ocean were scarcely sampled for these studies. The coral and rocky ecosystems may provide habitat to thousands of diverse aquatic species. Climate change, solid wastes, chemical pollution, coastal development and destructive fishing practices have impacted these ecosystems, and their study may be crucial for understanding the present and future shifts in their communities. References Anderson J. (2018). ‘Maldives nudibranchs and other sea slugs’. (The Independent Publishers Network.) Apte D & Bhave V. (2014). New records of opisthobranchs from Lakshadweep, India (Mollusca: Heterobranchia). Journal of Threatened Taxa 6, 5562–5568. Eliot C. (1903). Nudibranchiata, with some remarks on the families and genera and description of a new genus, Doridomorpha. In ‘The fauna and geography of the Maldive and Laccadive archipelagoes: being the account of the work carried on and of the collections made by an expedition during the years 1899 and 1900’. (Ed J. S. Gardiner.) pp. 540–573 Epstein HE et al. (2018). Reading between the lines: revealing cryptic species diversity and colour patterns in Hypselodoris nudibranchs (Mollusca: Heterobranchia: Chromodorididae). Zoological Journal of the Linnean Society, 1–74. Gosliner TM et al. (2015). ‘Nudibranch and Sea Slug Identification Indo-Pacific’. (New World Publications.) Marcus Er & Marcus Ev. (1960). Opisthobranchia aus dem Roten Meer und von den Malediven. In ‘Akademie der Wissenschaften und der Literature, Abhandlungen der Mathematisch-Naturwissenschaftlichen Klasse 12’. pp. 873–934 Stoffels BEMW et al. (2016). Phylogenetic relationships within the Phyllidiidae (Opisthobranchia, Nudibranchia). ZooKeys 2016, 1–35. Tibiriçá Y et al. (2017). Astonishing diversity revealed: An annotated and illustrated inventory of Nudipleura (Gastropoda: Heterobranchia) from Mozambique. Zootaxa 4359, 1–113. Yonow N. (1994). Opisthobranchs from the Maldive Islands, including descriptions of seven new species (Mollusca: Gatsropoda). Revue française d’aquariologie 20, 97–130. Yonow N et al. (2001). Opisthobranch molluscs from the Chagos Archipelago, Central Indian Ocean. Journal of Natural History, 1–52. Yonow N & Hayward PJ. (1991). Mauritian opisthobranchs (Molusca: Opisthobranchis) with descriptions of two new species. Revue française d’aquariologie 18, 1–30.