J. P. Casanova, , pp.1353-1374, 1999.

J. Vannier, M. Steiner, E. Renvoisé, S. X. Hu, and J. P. Casanova, Early Cambrian origin of modern food webs: evidence from predator arrow worms, Proc Biol Sci, vol.274, pp.627-633, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00203143

R. M. Barthélémy, A. Chenuil, S. Brancart, J. P. Casanova, and E. Faure, Translational machinery of the chaetognath Spadella cephaloptera: A transcriptomic approach to the analysis of cytosolic ribosomal protein genes and their expression, BMC Evol Bio, vol.7, p.146, 2007.

R. M. Barthélémy and H. Seligmann, Cryptic tRNAs in chaetognath mitochondrial genomes, Comput Biol Chem, vol.62, pp.119-132, 2016.

G. L. Shinn and B. L. Bullard, Ultrastructure of Meelsvirus: A nuclear virus of arrow worms (phylum Chaetognatha) producing giant "tailed" virions, PLoS One, vol.13, p.203282, 2018.

N. Philippe, M. Legendre, G. Doutre, Y. Couté, and O. Poirot, Pandoraviruses: amoeba viruses with genomes up to 2.5 Mb reaching that of parasitic eukaryotes, Science, vol.341, pp.281-286, 2013.
URL : https://hal.archives-ouvertes.fr/cea-00862677

C. Abergel, M. Legendre, and J. M. Claverie, The rapidly expanding universe of giant viruses: Mimivirus, Pandoravirus, Pithovirus and Mollivirus, FEMS Microbiol Rev, vol.39, pp.779-796, 2015.

E. A. Lusi and F. Caicci, Discovery and description of the first human Retro-Giant virus, vol.7, p.1005, 1000.

L. Scola, B. Audic, S. Robert, C. Jungang, L. De-lamballerie et al., A giant virus in Amoebae, Science, vol.299, p.2033, 2003.

J. P. Casanova, M. Duvert, and T. Goto, Ultrastructural study and ontogenesis of the appendages and related musculature of Paraspadella (Chaetognatha), Tissue Cell, vol.35, pp.339-351, 2003.

G. A. Horridge, P. S. Boulton, and F. S. Russell, Prey detection by Chaetognatha via a vibration sense, Proc Roy Soc B, vol.168, pp.413-419, 1967.

T. Goto and M. Yoshida, The mating sequence of the benthic arrowworm Spadella schizoptera, Biol Bull, vol.169, pp.328-333, 1985.

R. Michel, K. D. Müller, E. N. Schmid, L. Zöller, and R. Hoffmann, Endocytobiont KC5/2 induces transformation into sol-like cytoplasm of its host Acanthamoeba sp. as substrate for its own development, Parasitol Res, vol.90, pp.52-56, 2003.

R. Michel, E. N. Schmid, R. Hoffmann, and K. D. Müller, Endoparasite KC5/2 encloses large areas of sol-like cytoplasm within Acanthamoebae. Normal behavior or aberration?, Parasitol Res, vol.91, pp.265-266, 2003.

D. A. Parry, Structure and function of the gut in Spadella cephaloptera and Sagitta setosa, J Mar Biol Assoc UK, vol.26, pp.16-36, 1944.

K. Okamoto, N. Miyazaki, C. Song, F. Maia, and H. Reddy, Structural variability and complexity of the giant Pithovirus sibericum particle revealed by high-voltage electron cryo-tomography and energyfiltered electron cryo-microscopy, Sci Rep, vol.7, p.13291, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01785112

G. Devauchelle, D. Stoltz, and F. Darcy-tripier, Comparative ultrastructure of Iridoviridae, Curr Top Microbiol lmmunol, vol.116, p.21, 1985.

E. R. Quemin, S. Corroyer-dulmont, and J. Krijnse-locker, Entry and disassembly of large DNA viruses: Electron microscopy leads the way, J Mol Biol, vol.430, pp.1714-1724, 2018.

M. Legendre, J. Bartoli, L. Shmakova, S. Jeudy, and K. Labadie, Thirty-thousand-year-old distant relative of giant icosahedral DNA viruses with a pandoravirus morphology, Proc Natl Acad Sci, vol.111, pp.4274-4279, 2014.

V. Thomas, C. Bertelli, F. Collyn, N. Casson, and . Telenti, , 2011.

, Lausannevirus, a giant amoebal virus encoding histone doublets, Environ Microbiol, vol.13, pp.1454-1466

M. Legendre, A. Lartigue, L. Bertaux, S. Jeudy, and J. Bartoli, Indepth study of Mollivirus sibericum, a new 30,000-y-old giant virus infecting Acanthamoeba, Proc Natl Acad Sci, vol.112, pp.5327-5335, 2015.
URL : https://hal.archives-ouvertes.fr/cea-01825900

F. W. Gay, J. K. Clarke, and E. Dermott, Morphogenesis of Bittner virus, J Virol, vol.5, pp.801-806, 1970.

F. A. Murphy, Arenavirus taxonomy: a review, Bull World Health Organ, vol.52, pp.389-391, 1975.

D. S. Ellis, P. V. Shirodaria, E. Fleming, and D. I. Simpson, Morphology and development of Rift Valley fever virus in Vero cell cultures, J Med Virol, vol.24, pp.161-174, 1988.

D. Raoult and P. Forterre, Redefining viruses: lessons from Mimivirus, Nat Rev Microbiol, vol.6, pp.315-319, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00297223

F. Kibenge and M. Godoy, Aquaculture Virology, pp.11-13, 2016.

Y. Mutsafi, E. Shimoni, A. Shimon, and A. Minsky, Membrane assembly during the infection cycle of the giant Mimivirus, PLoS Pathog, vol.9, p.1003367, 2013.

M. Suzan-monti, B. L. Scola, L. Barrassi, L. Espinosa, and D. Raoult, Ultrastructural characterization of the giant volcano-like virus factory of Acanthamoeba polyphaga Mimivirus, PLoS ONE, vol.2, p.328, 2007.

A. Lwoff and P. Tournier, The classification of viruses, Annu Rev Microbiol, vol.20, pp.45-74, 1966.

P. Cossart and A. Helenius, Endocytosis of viruses and bacteria, Cold Spring Harb Perspect Biol, vol.6, p.16972, 2014.

S. Welsch, B. Müller, and H. G. Kräusslich, More than one door-budding of enveloped viruses through cellular membranes, FEBS Lett, vol.581, pp.2089-2097, 2007.

M. Krupovic, V. Cvirkaite-krupovic, J. Iranzo, D. Prangishvili, and E. V. Koonin, Viruses of archaea: Structural, functional, environmental and evolutionary genomics, Virus Res, vol.244, pp.181-193, 2018.
URL : https://hal.archives-ouvertes.fr/pasteur-01977349

S. Mäntynen, Something old, something new: exploring membrane-containing bacteriophages. Academic dissertation, Studies in biological and environmental science, 2016.

J. P. Buchmann and E. C. Holmes, Cell walls and the convergent evolution of the viral envelope, Microbiol Mol Biol Rev, vol.79, pp.403-418, 2015.

J. Maniloff, The Springer index of viruses, pp.1341-1345, 2011.

S. W. Wilhelm, J. T. Bird, K. S. Bonifer, B. C. Calfee, and T. Chen, A student's guide to giant viruses infecting small eukaryotes: from Acanthamoeba to Zooxanthellae, Viruses, vol.9, p.46, 2017.

N. Zauberman, Y. Mutsafi, D. B. Halevy, E. Shimoni, and E. Klein, , 2008.

, Distinct DNA exit and packaging portals in the virus Acanthamoeba polyphaga mimivirus, PLoS Biol, vol.6, p.114

E. Milrot, E. Shimoni, T. Dadosh, K. Rechav, and T. Unger, Structural studies demonstrating a bacteriophage-like replication cycle of the eukaryote-infecting Paramecium bursaria chlorella virus-1, PLoS Pathog, vol.13, p.1006562, 2017.

T. Klose, D. G. Reteno, S. Benamar, A. Hollerbach, and P. Colson, Structure of faustovirus, a large dsDNA virus, Proc Natl Acad Sci, vol.113, pp.6206-6211, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01458375

L. Silva, A. Andrade, F. P. Dornas, R. Rodrigues, and T. Arantes, Cedratvirus getuliensis replication cycle: an in-depth morphological analysis, Sci Rep, vol.8, p.4000, 2018.

M. Krupovic, E. R. Quemin, D. H. Bamford, P. Forterre, and D. Prangishvili, Unification of the globally distributed spindle-shaped viruses of the Archaea, J Virol, vol.88, pp.2354-2358, 2014.
URL : https://hal.archives-ouvertes.fr/hal-00951871

E. R. Quemin, P. Chlanda, M. Sachse, P. Forterre, and D. Prangishvili, , 2016.

, Eukaryotic-like virus budding in Archaea, MBio, vol.7, pp.1439-1455

K. M. Stedman, M. Deyoung, M. Saha, M. B. Sherman, and M. C. Morais, Structural insights into the architecture of the hyperthermophilic Fusellovirus SSV1, Virology, vol.474, pp.105-109, 2015.

M. Krupovic, D. Prangishvili, R. W. Hendrix, and D. H. Bamford, Genomics of bacterial and archaeal viruses: dynamics within the prokaryotic virosphere, Microbiol Mol Biol Rev, vol.75, pp.610-635, 2011.
URL : https://hal.archives-ouvertes.fr/pasteur-01977409

N. Dellas, J. C. Snyder, B. Bolduc, and M. J. Young, Archaeal viruses: Diversity, replication, and structure, Annu Rev Virol, vol.1, pp.399-426, 2014.
DOI : 10.1146/annurev-virology-031413-085357

G. Cardone, J. B. Heymann, N. Cheng, B. L. Trus, and A. C. Steven, Procapsid assembly, maturation, nuclear exit: dynamic steps in the production of infectious herpesvirions, Adv Exp Med Biol, vol.726, pp.423-439, 2012.

Y. Mori, M. Koike, E. Moriishi, A. Kawabata, and H. Tang, Human herpesvirus-6 induces MVB formation, and virus egress occurs by an exosomal release pathway, Traffic, vol.9, pp.1728-1742, 2008.

A. Harris, G. Cardone, D. C. Winkler, J. B. Heymann, and M. Brecher, Influenza virus pleiomorphy characterized by cryoelectron tomography, Proc Natl Acad Sci, vol.103, pp.19123-19127, 2006.
DOI : 10.1073/pnas.0607614103

URL : http://www.pnas.org/content/103/50/19123.full.pdf

Y. Amano, C. L. Diaz, and C. J. Melena, Fine structure analysis of white spot syndrome virus of shrimp, Braz J Vet Pathol, vol.4, pp.214-218, 2011.

A. Alvariño, Reproductive biology of invertebrates: Fertilization, development, vol.4, pp.255-282, 1990.

T. Goto, Y. Katayama-kumoi, M. Tohyama, and M. Yoshida, Distribution and development of the serotonin-and Rfamide-like immunoreactive neurons in the arrowworm Paraspadella gotoi (Chaetognatha), Cell Tissue Res, vol.267, pp.215-222, 1992.

M. Moniruzzaman, E. R. Gann, and S. W. Wilhelm, Infection by a giant virus (AaV) induces widespread physiological reprogramming in Aureococcus anophagefferens CCMP1984-A harmful bloom algae, Front Microbiol, vol.9, p.752, 2018.

J. P. Casanova, R. Barthélémy, M. Duvert, and E. Faure, Chaetognaths feed primarily on dissolved and fine particulate organic matter, not on prey: implications for marine food webs, Hypotheses Life Sci, vol.2, pp.20-29, 2012.
URL : https://hal.archives-ouvertes.fr/hal-02011177

A. Andrade, T. Arantes, G. Almeida, G. S. Trindade, and I. Bergier, Ubiquitous giants: a plethora of giant viruses found in Brazil and Antarctica, Virol J, vol.15, p.22, 2018.

J. Andreani, J. Verneau, D. Raoult, A. Levasseur, L. Scola et al., Deciphering viral presences: two novel partial giant viruses detected in marine metagenome and in a mine drainage metagenome, Virol J, vol.15, p.66, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01780662

H. Saadi, I. Pagnier, P. Colson, J. K. Cherif, and M. Beji, First isolation of Mimivirus in a patient with pneumonia, Clin. Infect. Dis, vol.57, pp.127-134, 2013.

M. Boughalmi, I. Pagnier, S. Aherfi, P. Colson, and D. Raoult, First isolation of a giant virus from wild Hirudo medicinalis leech: Mimiviridae isolation in Hirudo medicinalis, Viruses, vol.5, pp.2920-2930, 2013.

S. Aherfi, P. Colson, G. Audoly, C. Nappez, and L. Xerri, Marseillevirus in lymphoma: a giant in the lymph node, Lancet Infect Dis, vol.16, issue.10, pp.225-234, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01455768

S. Aherfi, C. Nappez, H. Lepidi, M. Bedotto, and L. Barassi, Experimental inoculation in rats and mice by the giant Marseillevirus leads to long-term detection of virus, Front Microbiol, vol.9, p.463, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01780670

J. Abrahão, L. Silva, D. Oliveira, and G. Almeida, Lack of evidence of mimivirus replication in human PBMCs, Microbes Infect, vol.20, pp.281-283, 2018.

R. H. Yolken, L. Jones-brando, D. D. Dunigan, G. Kannan, and F. Dickerson, Chlorovirus ATCV-1 is part of the human oropharyngeal virome and is associated with changes in cognitive functions in humans and mice, Proc Natl Acad Sci, vol.111, pp.16106-16111, 2014.

M. S. Petro, I. V. Agarkova, and T. M. Petro, Effect of chlorovirus ATCV-1 infection on behavior of C57B1/6 mice, J Neuroimmunol, vol.297, pp.46-55, 2016.

S. Clouthier, E. Anderson, G. Kurath, and R. Breyta, Molecular systematics of sturgeon nucleocytoplasmic large DNA viruses, Mol Phylogenet Evol, vol.128, pp.26-37, 2018.

A. M. Abd-alla, J. M. Vlak, M. Bergoin, J. E. Maruniak, and A. Parker, , 2009.

, Hytrosaviridae: a proposal for classification and nomenclature of a new insect virus family, Hytrosavirus Study Group of the ICTV, vol.154, pp.909-918

A. King, M. J. Adams, E. B. Carstens, and E. J. Lefkowitz, Virus Taxonomy. Ninth report of the international committee on taxonomy of viruses, pp.291-297, 2011.
URL : https://hal.archives-ouvertes.fr/pasteur-01977366

Y. Bigot, S. Asgari, D. K. Bideshi, X. Cheng, and B. A. Federici, Family Ascoviridae, Virus Taxonomy, Classification and Nomenclature of Viruses, Ninth Report of the International Committee on Taxonomy of Viruses, pp.147-152, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00320481

S. C. Clouthier, E. Vanwalleghem, S. Copeland, C. Klassen, and G. Hobbs, A new species of nucleo-cytoplasmic large DNA virus (NCLDV) associated with mortalities in Manitoba lake sturgeon Acipenser fulvescens, Dis Aquat Organ, vol.102, pp.195-209, 2013.

T. Williams, M. Bergoin, and M. M. Van-oers, Diversity of large DNA viruses of invertebrates, J Invertebr Pathol, vol.147, pp.4-22, 2017.

W. Beveridge, The art of scientific investigation, 1957.

L. Heinemann, , p.160

J. D. Pickett-heaps, A possible virus infection in the green alga Oedogonium, J Phycol, vol.8, pp.44-47, 1972.

J. A. Dodds and A. Cole, Microscopy and biology of Uronema gigas, a filamentous eucaryotic green alga, and its associated tailed virus-like particle, Virology, vol.100, pp.156-165, 1980.

M. Boyer, M. Madoui, G. Gimenez, L. Scola, B. Raoult et al., Phylogenetic and phyletic studies of informational genes in genomes highlight existence of a 4th domain of life including giant viruses, PLoS One, vol.5, p.15530, 2010.

A. Nasir, K. M. Kim, and G. Caetano-anollés, Giant viruses coexisted with the cellular ancestors and represent a distinct supergroup along with superkingdoms archaea, bacteria and eukarya, BMC Evol Biol, vol.12, p.156, 2015.

T. A. Williams, T. M. Embley, and E. Heinz, Informational gene phylogenies do not support a fourth domain of life for nucleocytoplasmic large DNA viruses, PLoS One, vol.6, p.21080, 2011.

E. Kejnovskya and E. N. Trifonov, Horizontal transfer-imperative mission of acellular life forms, Acytota. Mob Genet Elements, vol.6, p.1154636, 2016.

R. M. Barthélémy, E. Faure, and T. Goto, Serendipitous Discovery in a Marine Invertebrate (Phylum Chaetognatha) of the Longest Giant Viruses Reported till Date, Virol Curr Res, vol.3, p.110, 2019.