Publications from the NSF project 0118804
on Phylogeny of Lower Worms of the Meiofauna

Achatz, J.G., M.D. Hooge, A. Wallberg, U. Jondelius, and S. Tyler (2009) Revision of acoels with 9+0 sperm ultrastructure (Convolutida) and the influence of sexual conflict on morphology. Journal of Zoological Systematics and Evolutionary Research. 48:9-32 doi: 10.1111/j.1439-0469.2009.00555.x

Jondelius, U., A. Wallberg, M. Hooge, and O. Raikova (2010) How the worm lost its pharynx: Phylogeny, classification and Bayesian assessment of character evolution in Acoela. (submitted, Systematic Biology.)

Oswald, J.D., V.N. Makarkin, S. Tyler (2010) Resolution of nomenclatural issues stemming from the homonymy of the genera Kirgisella Martynov, 1925 (Arthropoda: Insecta: Neuroptera) and Kirgisella Beklemishev, 1927 (Platyhelminthes: Rhabditophora: Rhabdocoela). (submitted, Proc. Biol. Soc. Washington.)

Kolasa, J. and S. Tyler (2009) Flatworms: Turbellarians and Nemertea. (Ch. 6) In: Thorp, J. H., and A. P. Covich, eds. Ecology and Classification of North American Freshwater Invertebrates. Third Edition. Academic Press (Elsevier B.V.).

Egger B, Steinke D, Tarui H, De Mulder K, Arendt D, Borgonie G, Funayama N, Gschwentner R, Hartenstein V, Hobmayer B, Hooge M, Hrouda M, Ishida S, Kobayashi C, Kuales G, Nishimura O, Pfister D, Rieger R, Salvenmoser W, Smith J, Technau U, Tyler S, Agata K, Salzburger W, Ladurner P (2009) To be or not to be a flatworm: The acoel controversy. PLoS ONE 4(5): e5502. doi:10.1371/journal.pone.0005502.
Available at PLoS Web site

Todt C (2009) Structure and evolution of the pharynx simplex in acoel flatworms (Acoela). Journal of Morphology 270: 271-290, DOI: 10.1002/jmor.10682

Shiel, R.L., L. Warner, I.C. Duggan, S, Pichelin, J. D. Green, and W. Sterrer, W. (2009) Phylum Gnathifera. In: D.P. Gordon (ed.) The New Zealand Inventory of Biodiversity. Vol. One: Kingdom Animalia. Radiata, Lophotrochozoa, Deuterostomia. 584 pp. Canterbury University Press. ISBN 978-1877257-72-8 (in press)

Achatz JG (2008) Convolutidae (Acoela) from the Andaman Sea. Zootaxa 1824: 1-16.

Schockaert, E.R., M. Hooge, R. Sluys, S. Schilling, S. Tyler, and T. Artois (2008) Global diversity of free-living flatworms (Platyhelminthes, "Turbellaria") in freshwater. In: Freshwater Animal Diversity Assessment. E. Balian, C. Lévêque, H. Segers, and K. Martens, eds. Hydrobiologia special issue. 595(1):41-48 DOI 10.1007/s10750-007-9002-8

Hooge, M.D., and S. Tyler (2008) Acoela (Acoelomorpha) from Bocas del Toro, Panama. Zootaxa 1719:1-40

Petrov, A.A. (2007) Features of the male copulatory organs in acoels (Acoelomorpha) and their taxonomic implications. Doklady Biological Sciences 413: 125--127 [Published in Russian in Doklady Akademii Nauk 413(2): 279--282.] DOI: 10.1134/S0012496607020093

Shannon T III, Achatz JG (2007) Convolutriloba macropyga sp. nov., an uncommonly fecund acoel (Acoelomorpha) discovered in tropical aquaria. Zootaxa 1525: 1-17.

Barneah O, Brickner I, Hooge M, Weiss VM, Benayahu Y (2007) First evidence of maternal transmission of algal endosymbionts at an oocyte stage in a triploblastic host, with observations on reproduction in Waminoa brickneri (Acoelomorpha). Invertebrate Biology 126: 113-119.

Hooge, M.D., A. Wallberg, C. Todt, A. Maloy, U. Jondelius, and S. Tyler (2007) A revision of the systematics of panther worms (Hofstenia spp., Acoela), with notes on color variation and genetic variation within the genus. Hydrobiologia 592:439-454. DOI 10.1007/s10750-007-0789-0

Achatz, J.G., M.D. Hooge, and S. Tyler (2007) Convolutidae (Acoela) from Belize. Zootaxa 1479: 35--66 (+ 67-68).

Hooge, M.D. and S. Tyler (2007) Acoela (Acoelomorpha) from Belize. Zootaxa 1479: 21--33.

Todt, C., and S. Tyler (2007). Ciliary receptors associated with the mouth and pharynx of Acoela (Acoelomorpha): a comparative ultrastructural study. Acta Zoologica 88:41--58.

Achatz, J. and M.D. Hooge (2006) Convolutidae (Acoela) from Tanzania. Zootaxa 1362: 1-21.

Hooge, M.D. (2007) Acoela. In: The Light and Smith Manual, Intertidal Invertebrates from Central California to Oregon. 4th Edition. J.T. Carlton (ed). Univ. California Press. ISBN: 978-0-520-23939-5.

Hooge, M.D., and C.E.F. Rocha (2006) Acoela (Acoelomorpha) from the northern beaches of the state of São Paulo, Brazil, and a systematic revision of the family Otocelididae. Zootaxa 1335:1-50.

Hooge, M.D., and S. Tyler (2006) Concordance of molecular and morphological data. Example of the Acoela. Integrative and Comparative Biology 46:118-124

Todt, C., and S. Tyler (2006). Morphology and ultrastructure of the pharynx in Solenofilomorphidae (Acoela). J. Morphology 267:776-792. DOI: 10.1002/jmor.10440 (

Petrov, A., M. Hooge, and S. Tyler (2006). Comparative morphology of the bursal nozzles in acoels (Acoela, Acoelomorpha). Journal of Morphology 267: 634-648. DOI: 10.1002/jmor.10428

Sørensen, M.V., W. Sterrer, and G. Giribet (2006) Gnathostomulid phylogeny inferred from a combined approach of four molecular loci and morphology. Cladistics 22:32-58.

Hooge, M.D. (2006) Two new acoels (Acoelomorpha) from the northwest Atlantic. Zootaxa (submitted).

Hooge, M.D., and C.E.F. Rocha (2006) Acoela (Acoelomorpha) from the northern beaches of the state of São Paulo, Brazil and a systematic revision of the family Otocelididae. Zootaxa 1335: 1-50.

Hooge, M. (2005) Marine Turbellarians of Brazil. In: C. Rocha (ed.) Marine Fauna of Brazil Biota/FAPESP. (submitted)

Hooge, M., and L.J. Newman (2006) Turbellarians of the Gulf of Mexico. (submitted to NOAA for publication in series on Fauna of Gulf of Mexico [GoMex project])

Barneah, O., I. Brickner, M. Hooge, V.M. Weis, and Y. Benayahu (2005) Three-party symbiosis: acoelomorph worms, corals, and unicellular symbionts in Eilat (Red Sea). Journal of the Marine Biological Association of the United Kingdom (submitted).

Hooge, M.D., and N. Eppinger (2005) New species of Acoela (Acoelomorpha) from the Gulf of California. Zootaxa 1009: 1-14.

Ogunlana, M.V., M.D. Hooge, O. Barneah, Y.I. Tekle, S. Tyler (2005) Waminoa brickneri spec. nov. (Acoela: Acoelomorpha) associated with corals in the Red Sea. Zootaxa 1008: 1-11.

Hooge, M.D., and S. Tyler (2005) New tools for resolving phylogenies: A systematic revision of the Convolutidae (Acoelomorpha, Acoela). /p>

Müller, M.C.M, and W. Sterrer (2004) Musculature and nervous system of Gnathostomula peregrina (Gnathostomulida) shown by phalloidin labeling, immunohistochemistry, and cLSM, and their phylogenetic significance. Zoomorphology 123:169-177

Sterrer, W.E. (2004) Gnathostomulida from the Twin Cays, Belize, mangrove community. In: Macintyre, I. G. & K. Ruetzler (eds.), The Twin Cays Mangrove Ecosystem, Belize: Biodiversity, Geological History, and Two Decades of Change. Atoll Research Bulletin 520:1-4

Patel C.K., P.A. Haye, I. Kornfield (2003) Eocuma petruscui, a new species of bodotriid cumacean (Crustacea: Peracarida) from Malaysia. Proc. Biol. Soc. Wash. 116:999-1006.
[supported through a Research Experience for Undergraduates supplement for post-grant work originally started under PEET grant a9521783 "Biogeography, Morphology, and Molecular Systematics of Cumaceans"]

Petrov, A., M.D. Hooge, and S. Tyler (2004). Ultrastructure of sperms in Acoela (Acoelomorpha) and its concordance with molecular systematics. Invertebrate Biology 123:183-197.

Giribet, G., M.V. Sørensen, P. Funch, W. Sterrer, and R.M. Kristensen (2004) Investigations into the phylogenetic position of Micrognathozoa using four molecular loci. Cladistics 10:1-13.

Sterrer, W. (2003) Gnathostomulida. In: Grzimek's Animal Life Encyclopediai. pp. 331-335

Hooge, M.D., and Smith, J.P.S. (2003) New acoels (Acoela, Acoelomorpha) from North Carolina. Zootaxa 442:1-24.

Hooge, M.D. (2003) Two new families, three new genera, and five new species of acoels (Acoela Platyhelminthes) from Queensland Australia. Cahiers de Biologie Marine 44: 275-298

Tyler, S., and M.D. Hooge (2003) Comparative morphology of the body wall of flatworms (Platyhelminthes).Can. J. Zool. 82: 194--210.

Sørensen, M.V., S. Tyler, M. Hooge, and P. Funch (2003) Organization of the pharyngeal hard parts and musculature in Gnathostomula armata (Gnathostomulida: Gnathostomulidae). Can. J. Zool. 81:1463-1470.

Hooge, M.D., and S. Tyler (2003) Two new acoels (Platyhelminthes, Acoela) from the central coast of California. Zootaxa 131:1-14.

Gschwentner, R., J. Mueller, P. Ladurner, R.M. Rieger, and S. Tyler (2003) Unique patterns of longitudinal body-wall musculature in the Acoela: The ventral musculature of Convolutriloba longifissura. Zoomorphology 122(2):87-94.

Tyler, S. (2003) Epithelium---the primary building block for metazoan complexity. Integrative and Comparative Biology 43:55--63.

Sørensen, M.V., P. Funch, M. Hooge, and S. Tyler (2003) Musculature of Notholca acuminata (Rotifera: Ploima: Brachionidae) revealed by confocal scanning laser microscopy. Invertebrate Biology 122:223-230

Hooge, M.D., and S. Tyler (2003) Acoels (Platyhelminthes, Acoela) from the Atlantic coast of North America. Meiofauna Marina 12:7-36

Hooge M.D., P. Haye, S. Tyler, M.K. Litvaitis, and I. Kornfield (2002) Molecular systematics of the Acoela (Platyhelminthes) and its concordance with morphology. Molecular Phylogeny and Evolution 24:333--342

Pfistermüller, R., and S. Tyler (2002) Spermatozoa and spermatogenesis in Genostoma kozloffi (Plathelminthes, Rhabdocoela). Zoomorphology 121:149--158.

Sørensen, M.V., and W, Sterrer (2002). New characters in the gnathostomulid mouth parts revealed by scanning electron microscopy. Journal of Morphology 253: 310-334.

Hooge, M.D. (2001) Evolution of body-wall musculature in the Platyhelminthes (Acoela, Catenulida, Rhabditophora). Journal of Morphology 249:171--194

Pfistermüller, R., and S. Tyler (2002) Correlation of fluorescence and electron microscopy of F-actin-containing sensory cells in the epidermis of Convoluta pulchra (Platyhelminthes, Acoela). Acta Zoologica 83:15--24.

Tyler, S. (2001) The early worm---origins and relationships of the lower flatworms. In: Interrelationships of the Platyhelminthes. Littlewood, D.T.J. and R. Bray, eds. Taylor & Francis, London. pp 3--12.

Lundin, K., and W. Sterrer (2001). The Nemertodermatida. In: Littlewood, D.T.J. & R.A. Bray (eds.), Interrelationships of the Platyhelminthes. Taylor & Francis, London. Pp. 24-27

Other recent publications on similar topics from our group

Sterrer, W. (2009). Phylum Gastrotricha. In: D.P. Gordon (ed.) The New Zealand Inventory of Biodiversity. Vol. One: Kingdom Animalia. Radiata, Lophotrochozoa, Deuterostomia. 584 pp. Canterbury University Press. ISBN 978-1877257-72-8 (in press)

Achatz JG, Gschwentner R, Rieger R (2005) Symsagittifera smaragdina sp. nov.: a new acoel (Acoela: Acoelomorpha) from the Mediterranean Sea. Zootaxa 1085: 33-45.

Jones, H. and W. Sterrer (2005). Terrestrial planarians (Platyhelminthes, with three new species) and nemertines from Bermuda. Zootaxa 1001:31-58.

Worsaae, K., W. Sterrer, and T. Iliffe (2004). Longipalpa saltatrix, a new genus and species of the meiofaunal family Nerillidae (Annelida: Polychaeta) from an anchihaline cave in Bermuda. Proceedings Biol. Soc. Washington 117(3): 346-362.

Sterrer, W. (2002) On the origin of sex as vaccination. Journal of Theoretical Biology 216(4): 387-396.

Tyler, S., and M.D. Hooge (2001) Musculature of Gnathostomula armata and its ecological significance. P.S.Z.N: Marine Ecology 22: 71--83.

Hooge, M.D., and S. Tyler (2001) Interstitial acoels (Platyhelminthes, Acoela) from Bermuda. Proc. Biol. Soc. Wash. 114:414--426

Sterrer, W., W. Salvenmoser, and R.M. Rieger (2001) Ultrastructure of Gnathostomaria lutheri Ax (Gnathostomulida: Scleroperalia). I. An hypothesis about the origin of micropodia in scleroperalian sperm. PSZN Mar Ecol 22: 3-11

Hooge, M.D. and S. Tyler (1999). Musculature of the facultative parasite Urastoma cyprinae(Platyhelminthes). J. Morphol. 241:207-216.

Hooge, M.D. and S. Tyler (1999). Body-wall musculature of Praeconvoluta tornuva n. sp. and the use of muscle patterns in taxonomy of acoel turbellarians. Invertebrate Biology 118: 8-15.

Sterrer, W. (1997) Gnathostomulida from the Canary Islands. Proc Biol Soc Wash 110:186-197

Sterrer, W. (1998) New and known Nemertodermatida (Playthelminthes-Acoelomorpha) -- a revision. Belgian J Zool 128: 55-92

Sterrer, W. (1998) Gnathostomulida from the (sub)tropical northwestern Atlantic. [Studies on the Natural History of the Caribbean Region]. Studies Nat Hist Caribbean Region 74: 1-178

Sterrer, W. (1999) Gnathostomulida from Australia and Papua New Guinea. Cah Biol Mar 42: 363-395

Sterrer, W. (1999) Gnathostomulida. In: Encyclopedia of Reproduction. E. Knobil & J.D. Neill, eds. Academic Press, pp 461-463

Tyler, S. (1999) Platyhelminthes. In: Encyclopedia of Reproduction. E. Knobil & J.D. Neill, eds. Academic Press, pp 901-908