You can find the source data per publication below. To browse our public list of source data: FIGSHARE
2018
–David López-Escardó, Jordi Paps, Colomban de Vargas, Ramon Massana, Iñaki Ruiz-Trillo & Javier del Campo (2018)
Metabarcoding analysis on European coastal samples reveals new molecular metazoan diversity.
Scientific Reports volume 8, Article number: 9106 (2018)
– Alicia S. Arroyo, David López-Escardó, Eunsoo Kim, Iñaki Ruiz-Trillo, and Sebastián R. Najle (2018)
Novel Diversity of Deeply Branching Holomycota and Unicellular Holozoans revealed by Metabarcoding in Middle Paraná River, Argentina.
Frontiers in Ecology and Evolution. doi: 10.3389/fevo.2018.00099
-Vidyanand Nanjundiah, Iñaki Ruiz-Trillo, and David Kirk (2018)
Protists and Multiple Routes to the Evolution of Multicellularity.
in Brian K. Hall, Sally A. Moody “Cells in Evolutionary Biology: Translating Genotypes into Phenotypes – Past, Present, Future”
CRC Press; Evolutionary Cell Biology Series
–Andrej Ondracka, Omaya Dudin & Iñaki Ruiz-Trillo (2018)
Decoupling of Nuclear Division Cycles and Cell Size during the Coenocytic Growth of the Ichthyosporean Sphaeroforma arctica
Current Biology. https://doi.org/10.1016/j.cub.2018.04.074
–Michelle M. Leger, Laura Eme, Courtney W. Stairs, Andrew J. Roger (2018)
Demystifying Eukaryote Lateral Gene Transfer
BioEssays 40, 5. https://doi.org/10.1002/bies.201700242
, , , , , , , , , , , , , , , , Comparative genomic analysis of the ‘pseudofungus’ Hyphochytrium catenoides
Open biology 8. DOI: 10.1098/rsob.170184
–Transfection of Capsaspora owczarzaki, a close unicellular relative of animals
-Helena Ćetković, Maja Herak Bosnar, Drago Perina, Andreja Mikoč, Martina Deželjin, Robert Beluži, Helena Bilandžija, Iñaki Ruiz-Trillo & Matija Harcet (2018).
Characterization of a group I Nme protein of Capsaspora owczarzaki—a close unicellular relative of animals
Laboratory Investigation 1-11. doi:10.1038/labinvest.2017.134.
2017
-Albert Rafels-Ybern, Adrian Gabriel Torres, Xavier Grau-Bove, Iñaki Ruiz-Trillo & Lluís Ribas de Pouplana. (2017)
Codon adaptation to tRNAs with Inosine modification at position 34 is widespread among Eukaryotes and present in two Bacterial phyla.
RNA Biology.
–David López-Escardó, Xavier Grau-Bové, Amy Gillaumet-Adkins, Marta Gut, Michael E. Sieracki & Iñaki Ruiz-Trillo (2017).
Evaluation of single-cell genomics to address evolutionary questions using three SAGs of the choanoflagellate Monosiga brevicollis.
Scientific Reports 7. doi:10.1038/s41598-017-11466-9
–Maria Ferrer-Bonet & Iñaki Ruiz-Trillo (2017)
Capsaspora owczarzaki
Current Biology, Vol 27, Issue 17. http://dx.doi.org/10.1016/j.cub.2017.05.074
–Xavier Grau-Bové, Guifré Torruella, Stuart Donachie, Hiroshi Suga, Guy Leonard, Thomas A. Richards & Iñaki Ruiz-Trillo. (2017)
Dynamics of genomic innovation in the unicellular ancestry of animals.
eLife 2017;6:e26036
–David López-Escardó, Purificación López-García, David Moreira, Iñaki Ruiz-Trillo & Guifré Torruella. (2017)
Parvularia atlantis gen. et sp. nov., a Nucleariid Filose Amoeba (Holomycota, Opisthokonta).
The Journal of Eukaryotic Microbiology 2017 Jul 25. doi: 10.1111/jeu.12450.
–Arnau Sebé-Pedrós, Bernard M. Degnan & Iñaki Ruiz-Trillo. (2017)
The origin of Metazoa: a unicellular perspective.
Nature Review Genetics
2016
–Arnau Sebé-Pedrós, Marcia Ivonne Peña, Salvador Capella-Gutiérrez, Meritxell Antó, Toni Gabaldón, Iñaki Ruiz-Trillo & Eduard Sabidó. (2016)
High-Throughput Proteomics Reveals the Unicellular Roots of Animal Phosphosignaling and Cell Differentiation.
Developmental Cell 39 (2): p186–197.
Watch video abstract:
–Alicia S. Arroyo, David López-Escardó, Colomban de Vargas & Iñaki Ruiz-Trillo. (2016)
Hidden diversity of Acoelomorpha revealed through metabarcoding.
Biology Letters 12: 20160674. doi.org/10.1098/rsbl.2016.0674
Access supplementary material
–Arnau Sebé-Pedrós & Iñaki Ruiz-Trillo. (2016)
Evolution and Classification of the T-Box Transcription Factor Family.
Current Topics in Developmental Biology, 122: p1-26
-Maureen A. O’Malley, Jeremy G. Wideman & Iñaki Ruiz-Trillo. (2016)
Losing complexity: the role of simplification in macroevolution.
Trends in Ecology and Evolution 31 (8): 608–621
–Sebastián R. Najle, María Celeste Molina, Iñaki Ruiz-Trillo & Antonio D. Uttaro. (2016)
Sterol metabolism in the filasterean Capsaspora owczarzaki has features that resemble both fungi and animals.
Open Biology 6: 160029.
–Arnau Sebé-Pedrós, Cecillia Ballaré, Helena Parra-Acero, Cristina Chiva, Juan J. Tena, Eduard Sabidó, José Luis Gómez-Skarmeta, Luciano Di Croce, Iñaki Ruiz-Trillo. (2016)
The Dynamic Regulatory Genome of Capsaspora and the Origin of Animal Multicellularity.
Cell 165 (5): 1224–1237. doi: 10.1016/j.cell.2016.03.034. .
See Nature’s news and views or watch video abstract:
-Mariona Esquerdo, Xavier Grau-Bové, Alejandro Garanto, Vasileios Toulis, Sílvia Garcia-Monclús, Erica Millo, Mª José López-Iniesta, Víctor Abad-Morales, Iñaki Ruiz-Trillo, Gemma Marfany. (2016)
Expression atlas of the deubiquitinating enzymes in the adult mouse retina, their evolutionary diversification and phenotypic roles.
Plos One 11(3): e0150364. doi:10.1371/journal.pone.0150364
-David A. Gold, Jonathan Grabenstatter, Alex de Mendoza, Ana Riesgo, Iñaki Ruiz-Trillo and Roger E. Summons. (2016)
Sterol and genomic analyses validate the sponge biomarker hypothesis.
Proceedings National Academic of Sciences USA 113(10): 2684-2689 doi: 10.1073/pnas.1512614113
–Iñaki Ruiz-Trillo (2016)
What are the genomes of the premetazoan lineages telling us about the origins of metazoa?
Multicellularity: Origins and Evolution ISBN: 9780262034159
-Iñaki Ruiz-Trillo & Jordi Paps. (2016)
Acoelomorpha: earliest-branching bilaterians or deuterostomes?
Organisms Diversity and Evolution 16: 391. doi:10.1007/s13127-015-0239-1
2015
–Alex de Mendoza, Hiroshi Suga, Jon Permanyer, Manuel Irimia, Iñaki Ruiz-Trillo. (2015)
Complex transcriptional regulation and independent evolution of fungal-like traits in a relative of animals.
eLife 2015;10.7554/eLife.08904
(Access Creolimax fragrantissima’s genome: http://dx.doi.org/10.6084/m9.figshare.1403592)
–Guifré Torruella, Alex de Mendoza, Xavier Grau-Bové, Meritxell Antó, Mark A. Chaplin, Javier del Campo, Laura Eme, Gregorio Pérez-Cordón, Christopher M. Whipps, Krista M. Nichols, Richard Paley, Andrew J. Roger, Ariadna Sitjà-Bobadilla, Stuart Donachie, and Iñaki Ruiz-Trillo. (2015)
Phylogenomics reveals convergent evolution of lifestyles in close relatives of animals and fungi.
Current Biology 25(18):2404-10.
–Xavier Grau-Bové, Iñaki Ruiz-Trillo, & Francisco Rodriguez-Pascual. (2015)
Origin and evolution of lysyl oxidases.
Scientific Reports, 5, 10568. doi:10.1038/srep10568
-Kamil J. Alzayady, Arnau Sebé-Pedrós, Rahul Chandrasekhar, Liwei Wang, Iñaki Ruiz- Trillo, David I. Yule. (2015)
Tracing the Evolutionary History of Inositol, 1, 4, 5-trisphosphate receptor: Insights from Analyses of Capsaspora owczarzaki Ca2+ Release Channel Orthologs.
Molecular Biology and Evolution 32 (9): 2236-2253. doi: 10.1093/molbev/msv098
–Iñaki Ruiz-Trillo & Aurora Nedelcu (editors). (2015)
Evolutionary transitions to multicellular life: principles and mechanisms
Advances in Marine Genomics Series. Springer.
–Hiroshi Suga and Iñaki Ruiz-Trillo. (2015)
Unraveling the origin of animal multicellularity.
Jikken Igaku (Experimental Medicine) vol.33, no.6, pp968-973.
–Javier del Campo, Diego Mallo, Ramon Massana, Colomban de Vargas, Tom A. Richards & Iñaki Ruiz-Trillo. (2015)
Diversity and distribution of unicellular opisthokonts along the European coast analyzed using high-throughput sequencing.
Environmental Microbiology 17: 3195–3207. doi:10.1111/1462-2920.12759
2014
–Xavier Grau-Bové, Arnau Sebé-Pedrós & Iñaki Ruiz-Trillo. (2014)
The eukaryotic ancestor had a complex ubiquitin signalling system of archaeal origin.
Molecular Biology and Evolution, 32 (3): 726-739.
–Alex de Mendoza & Iñaki Ruiz-Trillo. (2014)
Forward genetics for back-in-time questions.
eLife 3:e04070. doi: 10.7554/eLife.04070
–Javier del Campo, Michael E. Sieracki, Robert Molestina, Patrick Keeling, Ramon Massana & Iñaki Ruiz-Trillo. (2014)
The others: our biased perspective of eukaryotic genomics.
Trends in Ecology and Evolution 29(5): 252-259.
-Alex de Mendoza, Arnau Sebé-Pedrós & Iñaki Ruiz-Trillo. (2014)
The evolution of the GPCR signalling system in eukaryotes: modularity, conservation and the transition to metazoan multicellularity.
Genome Biology and Evolution 6(3):606-19.
–Arnau Sebé-Pedrós, Xavier Grau-Bové, Thomas A. Richards & Iñaki Ruiz-Trillo. (2014)
Evolution and classification of myosins, a paneukaryotic whole genome approach.
Genome Biology and Evolution 6(2):290-305.
Access myosins dataset
–Hiroshi Suga, Guifré Torruella, Gertraud Burger, Matthew W. Brown & Iñaki Ruiz-Trillo. (2014)
Earliest holozoan expansion of phosphotyrosine signaling.
Molecular Biology and Evolution 31 (3): 517-528.
–Bénédicte Desvoyes, Alex de Mendoza, Iñaki Ruiz-Trillo and Crisanto Gutierrez. (2014)
Novel roles of plant RETINOBLASTOMA-RELATED (RBR) protein in cell proliferation and asymmetric cell division.
Journal of Experimental Botany 65(10): 2657-66.
2013
–Arnau Sebé-Pedrós, Manuel Irimia, Javier del Campo, Helena Parra-Acero, Carsten Russ, Chad Nusbaum, Benjamin J. Blencowe & Iñaki Ruiz-Trillo. (2013)
Regulated aggregative multicellularity in a close unicellular relative of Metazoa.
eLife 2013;2:e01287
Access RNAseq data (FPKMs).
–Alex de Mendoza, Arnau Sebé-Pedrós, Martin Sebastijan Šestak, Marija Matejčić,Guifré Torruella, Tomislav Domazet-Lošo & Iñaki Ruiz-Trillo. (2013)
Transcription factor evolution in eukaryotes and the assembly of the regulatory toolkit in multicellular lineages.
Proceedings National Academic of Sciences USA 110 (50) E4858-E4866.
–Arnau Sebé-Pedrós, Ana Ariza-Cosano, Matthew T. Weirauch, Sven Leininger, Ally Yang, Guifré Torruella, Marcin Adamski, Maja Adamska, Timothy R. Hughes, José Luis Gómez-Skarmeta & Iñaki Ruiz-Trillo. (2013)
Early evolution of the T-box transcription factor family.
Proceedings National Academic of Sciences USA 110(40):16050-5.
–Arnau Sebé-Pedrós, Pawel Burkhardt, Núria Sánchez-Pons, Stephen R. Fairclough, B. Franz Lang, Nicole King & Iñaki Ruiz-Trillo. (2013)
Insights into the origin of metazoan filopodia and microvilli.
Molecular Biology and Evolution, 30(9):2013-23.
-Hiroshi Suga, Zehua Chen, Alex de Mendoza, Arnau Sebé-Pedrós, Matthew W. Brown, Eric Kramer, Martin Carr, Pierre Kerner, Michel Vervoort, Núria Sánchez-Pons, Guifré Torruella, Romain Derelle, Gerard Manning, B. Franz. Lang, Carsten Russ, Brian J. Haas, Andrew J. Roger, Chad Nusbaum & Iñaki Ruiz-Trillo. (2013)
The Capsaspora genome reveals a complex unicellular prehistory of animals.
Nature Communications 4: 2325 doi: 10.1038/ncomms3325 (2013).
-José M. Martín-Durán, Alex de Mendoza, Arnau Sebé-Pedrós, Iñaki Ruiz-Trillo & Andreas Hejnol. (2013)
A broad genomic survey reveals multiple origins and frequent losses in the evolution of respiratory hemerythrins and hemocyanins.
Genome Biology and Evolution, 5(7):1435-42.
–Xavier Grau-Bové, Arnau Sebé-Pedrós & Iñaki Ruiz-Trillo. (2013)
A genomic survey of HECT ubiquitin ligases in eukaryotes reveals independent expansions of the HECT system in several lineages.
Genome Biology and Evolution 5(5):833-47. doi: 10.1093/gbe/evt052.
Access alignments
–Javier del Campo & Iñaki Ruiz-Trillo. (2013)
Environmental survey meta-analysis reveals hidden diversity among unicellular opisthokonts.
Molecular Biology and Evolution 30(4): 802-805.
Access alignment
–Alex de Mendoza, Arnau Sebé-Pedrós & Iñaki Ruiz-Trillo. (2013)
El origen de la multicelularidad.
Investigación y Ciencia, Febrero 2013 pp.32-39.
–Hiroshi Suga & Iñaki Ruiz-Trillo. (2013)
Development of ichthyosporeans sheds light on the origin of metazoan multicellularity.
Developmental Biology 377, 284-292.
–Jordi Paps, Luis A. Medina-Chacón, Wyth Marshall, Hiroshi Suga & Iñaki Ruiz-Trillo. (2013)
Molecular phylogeny of Unikonts: new insights into the position of apusomonads and ancyromonads and the internal relationships of opisthokonts.
Protist, 164(1):2-12.
Concatenated alignment
2012
-Kira P. Schultheiss, Hiroshi Suga, Iñaki Ruiz-Trillo & W. Todd Miller. (2012)
Lack of Csk-mediated negative regulation in a unicellular Src kinase.
Biochemistry, 51 (41), pp 8267–8277.
–Hiroshi Suga, Michael Dacre, Alex de Mendoza, Kamran Shalchian-Tabrizi, Gerard Manning & Iñaki Ruiz-Trillo. (2012)
Genomic Survey of Premetazoans Shows Deep Conservation of Cytoplasmic Tyrosine Kinases and Multiple Radiations of Receptor Tyrosine Kinases.
Science Signaling, 5 (222), ra35 [DOI: 10.1126/scisignal.2002733]
(listen to Science Signaling Podcast)
-Naiara Rodríguez-Ezpeleta, David Moreira, Iñaki Ruiz-Trillo. (2012)
Amoebozoos, Cromalveolados, Rizarios y Excavados.
In “El árbol de la vida: sistemática y evolución de los seres vivos”, Zardoya R. & Vargas P. eds.
–Iñaki Ruiz-Trillo. (2012)
Eucariotas.
In “El árbol de la vida: sistemática y evolución de los seres vivos”, Zardoya R. & Vargas P. eds.
-Marta Riutort, Jordi Paps, Iñaki Ruiz-Trillo. (2012)
Bilaterales.
In “El árbol de la vida: sistemática y evolución de los seres vivos”, Zardoya R. & Vargas P. eds.
–Arnau Sebé-Pedrós, Yonggang Zheng, Iñaki Ruiz-Trillo & Duojia Pan. (2012)
Premetazoan origin of the Hippo signaling pathway.
Cell Reports, 1(1): 13-20. doi:10.1016/j.cel- rep.2011.11.004
Access sequences
–Guifré Torruella, Romain Derelle, Jordi Paps, B. Franz Lang, Andrew J Roger, Kamran Shalchian-Tabrizi & Iñaki Ruiz-Trillo. (2012)
Phylogenetic relationships within the Opisthokonta based on phylogenomic analyses of conserved single copy protein domains.
Molecular Biology and Evolution, 29(2): 531-544.
Access matrix
–John D. L. Shadwick & Iñaki Ruiz-Trillo. (2012)
A genomic survey shows that the haloarchaeal type Tyrosyl-Synthetase is not a Synapomorphy of Opisthokonts.
European Journal of Protistology 48(1):89-93.
2011
–Alex de Mendoza & Iñaki Ruiz-Trillo. (2011)
New genomes, new taxa and deep questions in the eukaryotic tree of life: a meeting report on the EMBO comparative genomics conference
Evodevo, 2(1):22.
-Agatha Schlüter, Iñaki Ruiz-Trillo & Aurora Pujol. (2011)
Phylogenomic evidence for a myxococcal contribution to the mitochondrial fatty acid beta-oxidation
Plos ONE, 6(7): e21989. doi:10.1371/journal.pone.0021989
–Alex de Mendoza & Iñaki Ruiz-Trillo. (2011)
The mysterious Evolutionary Origin for the GNE gene and the root of Bilateria
Molecular Biology and Evolution, 28(11): 2987-91.
Access alignments
-Susan Young, D. Diolaiti, M. Conacci-Sorrell, Iñaki Ruiz-Trillo, R. M. Eisenman & Nicole King. (2011)
Premetazoan Ancestry of the Myc-Max Network.
Molecular Biology and Evolution, 28(10): 2961-71.
–Arnau Sebé-Pedrós, Alex de Mendoza, B. Franz Lang, Bernie M. Degnan & Iñaki Ruiz-Trillo. (2011)
Unexpected repertoire of metazoan transcription factors in the unicellular holozoan Capsaspora owczarzaki.
Molecular Biology and Evolution, 28(3): 1241-54.
2010
-Maria José Barberà*, Iñaki Ruiz-Trillo*, Julia Y. A. Tufts, Bery Amandine, Jeffrey D. Silberman & Andrew J. Roger. (*co-authors) (2010)
Sawyeria marylandensis (Heterolobosea) has a hydrogenosome with novel metabolic properties.
Eukaryotic Cell, 9(12):1913-24.
–Jordi Paps & Iñaki Ruiz-Trillo. (2010)
Animals and their unicellular ancestors.
In: Encyclopedia of Life Sciences 2010, John Wiley & Sons, Ltd: Chichester.
–Arnau Sebé-Pedrós & Iñaki Ruiz-Trillo. (2010)
The integrin-mediated adhesion complex: cooption of signaling systems at the dawn of Metazoa.
Communicative & Integrative Biology, 3:5 1-3.
–Alex de Mendoza, Hiroshi Suga & Iñaki Ruiz-Trillo. (2010)
Evolution of the MAGUK protein gene family in premetazoan lineages.
BMC Evolutionary Biology, 10(1): 93.
Alignments
–Arnau Sebé-Pedrós, Andrew J. Roger, Franz B. Lang, Nicole King & Iñaki Ruiz-Trillo. (2010)
Ancient origin of integrin-mediated adhesion and signaling machinery.
Proceedings National Academic of Sciences USA, 107(22): 10142-7.
–Iñaki Ruiz-Trillo. (2010)
Animales y sus ancestros unicelulares. Una visión filogenómica.
In “Adaptación y Evolución. 150 años después del Origen de las Especies SESBE 2009”. Dopazo. & Navarro. eds, Obrapropia Editorial, Valencia.
2010
2009
–Guifré Torruella, Hiroshi Suga, Marta Riutort, Juli Peretó & Iñaki Ruiz-Trillo. (2009)
The evolutionary history of lysine biosynthesis pathways within eukaryotes.
Journal of Molecular Evolution 69(3): 240-248.
Access alignments
2008
–Iñaki Ruiz-Trillo, Andrew J. Roger, Gertraud Burger, Michael W. Gray & B. Franz Lang. (2008)
A phylogenomic investigation into the origin of Metazoa.
Molecular Biology and Evolution, 25 (4): 664-672.
Access alignments
-E. Bapteste, E. Susko, J. Leigh, I. Ruiz-Trillo, J. Bucknam & W. F. Doolittle.(2008)
Alternative Methods for Concatenation of Core Genes Indicate a Lack of Resolution in Deep Nodes of the Prokaryotic Phylogeny.
Molecular Biology and Evolution, 25(1): 83-91.
2007
–Iñaki Ruiz-Trillo, Gertraud Burger, Peter W. H. Holland, Nicole King, B. Franz Lang, Andrew J. Roger & Michael W. Gray. (2007)
The origins of multicellularity: a multi-taxon genome initiative.
Trends in Genetics, 23(3): 113-118.
-Maria J. Barberà, Iñaki Ruiz-Trillo, Jessica Leigh, Laura A. Hug & Andrew J. Roger. (2007)
The diversity of mitochondrion-related organelles amongst eukaryotic microbes.
In “Origins of Mitochondria and Hydrogenosomes”, Martin W. ed., Springer, Heidelberg.
2006
–Iñaki Ruiz-Trillo, Christopher E. Lane, John M. Archibald & Andrew J. Roger. (2006)
Insights into the evolutionary origin and genome architecture of the unicellular opisthokonts Capsaspora owczarzaki and Sphaeroforma arctica.
Journal of Eukaryotic Microbiology, 53(5): 1-6.
-Sina M. Adl, Iñaki Ruiz-Trillo & Melanie L. Wilson. (2006)
Observations on a Geocentrophora sp. (Lecitoepitheliata) flatworm from forest soils in Nova Scotia.
Journal of Natural History 40 (23-24): 1381-1387.
2004
–Iñaki Ruiz-Trillo, Yuji Inagaki, Lesley A. Davis, Sigmund Sperstad, Bjarne Landfald & Andrew J. Roger. (2004)
Capsaspora owczarzaki is an independent opisthokont lineage.
Current Biology 14: R946-R947.
–Iñaki Ruiz-Trillo, Marta Riutort, H. Matthew Fourcade, Jaume Baguñà & Jeffrey L. Boore. (2004)
Mitochondrial genome data support the basal position of Acoelomorpha and the polyphyly of the Platyhelminthes.
Molecular Phylogenetics and Evolution 33: 321- 332, 2004.
2002
–I. Ruiz-Trillo, J. Paps, M. Loukota, C. Ribera, U. Jondelius, J. Baguñà & M. Riutort. (2002)
A phylogenetic analysis of Myosin Heavy Chain type II sequences corroborates Acoela and Nemertodermatida are basal bilaterians.
Proceedings National Academic of Sciences USA 99: 11246-11251.
-Jaume Baguñà, Iñaki Ruiz-Trillo, Jordi Paps & Marta Riutort. (2002)
Origen y evolución de los ejes corporales y la simetría bilateral en animales.
In “Evolución: la base de la Biología” (M.Soler ed.), Proyecto Sur Editorial.
-U. Jondelius, I. Ruiz-Trillo, J. Baguñà & M. Riutort. (2002)
The Nemertodermatida are basal bilaterians and not members of the Platyhelminthes.
Zoologica Scripta 31: 201-215.
2001
–Iñaki Ruiz-Trillo. (2001)
Acoela.
In “McGraw-Hill Encyclopedia of Science and Technology, 2001 Yearbook of Science & Technology”. McGraw-Hill, New York.
-J. Baguñà, I. Ruiz-Trillo, J. Paps, M. Loukota, C.s Ribera, U. Jondelius & M. Riutort. (2001)
The first bilaterian organisms: simple or complex? New molecular evidence.
International Journal of Developmental Biology 45: S133-S134.
2000
-J. Baguñà, S. Carranza, J. Paps, I. Ruiz-Trillo & M. Riutort. (2000)
Molecular taxonomy and phylogeny of Tricladida.
In “Interrelationships of the Platyhelminthes”, Littlewood & Bray Ed., Taylor & Francis, London.
1999
–I. Ruiz-Trillo, M. Riutort, D. T. J. Littlewood, E. A. Herniou & J. Baguñà. (1999)
Acoel flatworms: earliest extant bilaterian metazoans, not members of the Platyhelminthes.
Science 283: 1919-1923.
