Freshwater Crustaceans

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Calabrese, A. and S.C. Weeks. 2022. Testing a behavioral model for the maintenance of androdioecy as a result of sexual conflict in the clam shrimp Eulimnadia dahli. Ethology 128:331-338

Hethke, M., S.C. Weeks, V. Schöttle, and D.C. Rogers. 2021. Preliminary study of temperature effects on size and shape in the modern spinicaudatan Eulimnadia texana (Crustacea: Branchiopoda). Zoological Studies 60. DOI: 2 10.6620/zs.2021.60-02

Hethke, M. and S.C. Weeks. 2020. Population density effects on carapace growth in clam shrimp: Implications for palaeontological studies. Zoological Studies 59:34.

Weeks, S.C. 2020. Effects of dietary restriction on lifespan, growth and reproduction of the clam shrimp Eulimnadia texana. Hydrobiologia 14:3067-3076.

Calabrese, A. and S.C. Weeks. 2018. Are all-hermaphroditic populations of Eulimnadia texana Packard, 1871 (Branchiopoda: Spinicaudata) resistant to invasion? Implications for the maintenance of androdioecy. Journal of Crustacean Biology 38(6):812-817.

Ford, R. and S.C. Weeks. 2018. Intersexual conflict in androdioecious clam shrimp: Do androdioecious hermaphrodites evolve to avoid mating with males? Ethology 124:357-364. DOI:10.1111/eth.12738

Baldwin-Brown, J.G., S.C. Weeks and A.D. Long. 2018. A new standard for crustacean genomes: the highly contiguous, annotated genome assembly of the clam shrimp Eulimnadia texana reveals HOX gene order and identifies the sex chromosome. Genome Biology and Evolution 10:143-156. (Also noted inBioRxiv doi: https://doi.org/10.1101/222869)

Calabrese, A, C McCullough, B Knott and SC Weeks. 2016. Environmental characteristics of ephemeral rock pools explain local abundances of the clam shrimp, Paralimnadia badia (Branchiopoda: Spinicaudata: Limnadiidae). Journal of the Royal Society of Western Australia 99:9-15.

Rogers, DC, N Rabet, and SC Weeks. 2016. Gondwanalimnadia (Branchiopoda: Spinicaudata) replacement name for Afrolimnadia Rogers, Rabet and Weeks, 2012 (Limnadiidae), junior homonym of Afrolimnadia Tasch, 1987 (Lioestheriidae). Journal of Crustacean Biology 36:105.

Reed, SK, RJ Duff, and SC Weeks. 2015. A systematic study of the genus Eulimnadia. Journal of Crustacean Biology 35:379-391.

Weeks, SC, C. Benvenuto, SK Reed, RJ Duff, and ZH Duan. 2014. A field test of a model for the stability of androdioecy in the freshwater shrimp, Eulimnadia texana. Journal of Evolutionary Biology 41:251-261.

Brown, B.P., T.I. Astrop and S.C. Weeks. 2014. Post-larval developmental dynamics of the Spinicaudatan (Crustacea: Branchiopoda) carapace. Journal of Crustacean Biology 34:611-617.

Weeks, SC, JS Brantner, TI Astrop, DW Ott and N Rabet. 2014. The evolution of hermaphroditism from dioecy in crustaceans: Selfing hermaphroditism described in a fourth Spinicaudatan genus. Evolutionary Biology 41:251-261. DOI 10.1007/s11692-013-9265-0.

Brantner, J. S. , D. W. Ott, R. J. Duff, L-O Sanoamuang, GP Simhachalam, KK Subhash Babu, and SC Weeks. 2013. Androdioecy and Hermaphroditism in Five Species of Clam shrimp (Crustacea: Branchiopoda: Spinicaudata) From India and Thailand. Invert. Biol. 132:27-37.

Brantner, J. S. , D. W. Ott, R. J. Duff, L-O Sanoamuang, GP Simhachalam, KK Subhash Babu, and SC Weeks. 2013. Androdioecy and Hermaphroditism in Five Species of Clam shrimp (Crustacea: Branchiopoda: Spinicaudata) From India and Thailand. Invert. Biol. 132:27-37.

Brantner, J. S. , D. W. Ott, R. J. Duff, J.I. Orridge, J. R. Waldman and S.C. Weeks. 2013. Evidence of selfing hermaphroditism in the clam shrimp Cyzicus gynecia (Branchiopoda, Spinicaudata). J. Crust. Biol. 33:184-190.

Rogers, DC, N Rabet, and SC Weeks. 2012. A revision of the extant genera of the Limnadiidae (Branchiopoda, Spinicaudata) J. Crust. Biol. 32:827-842

Benvenuto, C, and SC Weeks. 2012. Intersexual conflict during mate guarding in an androdioecious crustacean. Behav. Ecol. 23:218-224.

Benvenuto, C, and SC Weeks. 2011. Mate guarding behavior in clam shrimp: The influence of mating system on intersexual conflict. Behav. Ecol. Sociobiol. 65:1899-1907

Weeks, SC, TF Sanderson, BF Wallace, and B Bagatto. 2011. Behavioral cost of reproduction in a freshwater crustacean (Eulimnadia texana). Ethology 117:880-886.

Weeks, SC, C Benvenuto, TF Sanderson, and RJ Duff. 2010. Sex Chromosome Evolution in the Clam Shrimp, Eulimnadia texana. J. Evol. Biol. 23:1100-1106.

Rogers, DC, SC Weeks, and WR Hoeh. 2010. A new species of Eulimnadia (Crustacea; Branchiopoda; Diplostraca; Spinicaudata) from North America. Zootaxa 2413:61-68.

Weeks, SC, EG Chapman, DC Rogers, DM Senyo, and WR Hoeh. 2009. Evolutionary transitions among dioecy, androdioecy and hermaphroditism in limnadiid clam shrimp (Branchiopoda: Spinicaudata). J. Evol. Biol. 22:1781-1799.

Benvenuto, C, B Knott and SC Weeks. 2009. Mate guarding behavior in clam shrimp: A field approach. Behav. Ecol. 20:1125-1132.

Weeks, SC, SK Reed, DW Ott, and F. Scanabissi. 2009. Inbreeding effects on sperm production in clam shrimp (Eulimnadia texana). Evol. Ecol. Res. 11:125-134.

Weeks, SC. 2009. Can males successfully invade hermaphroditic populations of clam shrimp (Eulimnadia texana)? Current Science 96:98-102.

Weeks SC, TF Sanderson, M Zofkova, and B Knott. 2008. Breeding systems in the clam shrimp family Limnadiidae. Invertebrate Biology 127:336-349.

Brendonck, L, DC Rogers, J Olesen, S Weeks, R Hoeh. 2008. Global diversity of large branchiopods (Crustacean; Branchiopoda) in freshwater. Hydrobiologia 595:167-176.

Weeks SC and C Benvenuto. 2008. Mate guarding in the androdioecious clam shrimp Eulimnadia texana: male assessment of hermaphrodite receptivity. Ethology 114:64-74.

Duff RJ, C Benvenuto, T Branch, and SC Weeks. 2007. DNA extraction from cysts of the clam shrimp Eulimnadia texana (Crustacea, Branchiopoda, Spinicaudata). Journal of Crustacean Biology 27:154-157.

Weeks SC, M Zofkova, and B. Knott. 2006. Limnadiid clam shrimp biogeography in Australia (Crustacea: Branchiopoda: Spinicaudata). Journal of the Royal Society of Western Australia 89:155-161.

Weeks SC, SK Reed, M Cesari, and F Scanabissi. 2006. Production of intersexes and the evolution of androdioecy in the clam shrimp Eulimnadia texana (Crustacea, Branchiopoda, Spinicaudata). Invertebrate Reproductive Development 49:113-119 .

Scanabissi F, M Cesari, SK Reed, SC Weeks. 2006. Ultrastructure of the male gonad and male gametogenesis in Eulimnadia texana (Packard, 1871)(Crustacea, Branchiopoda, Spinicaudata). Invertebrate Biology 125:117-124.

Hoeh WR, ND Smallwood, DM Senyo, EG Chapman, and SC Weeks. 2006. Evaluating the monophyly of Eulimnadia and the Limnadiinae (Branchiopoda: Spinicaudata) using DNA sequences. Journal of Crustacean Biology 26:182-192.

Weeks SC, TF Sanderson, SK Reed, M Zofkova, B Knott, U Balaraman, G Pereira, DM Senyo, WR Hoeh. 2006. Ancient Androdioecy in the Freshwater Crustacean Eulimnadia . Proceedings of the Royal Society of London, Series B 273:725-734.

Weeks, SC, RT Posgai, M Cesari, and F Scanabissi. 2005. Androdioecy inferred in the clam shrimp Eulimnadia agassizii (Spinicaudata: Limnadiidae). Journal of Crustacean Biology 25:323-328.

Duff, RJ WR Hoeh, DG Cook and SC Weeks. 2004. Isolation and characterization of thirteen polymorphic microsatellite loci from the clam shrimp Eulimnadia texana (Crustacea: Spinicaudata). Molecular Ecology Notes 4:397-399.

Weeks, SC. 2004. Seven generations of inbreeding does not purge inbreeding depression in the clam shrimp, Eulimnadia texana. Journal of Evolutionary Biology 17:475-484.

Weeks, SC and RL Bernhardt. 2004. Maintenance of androdioecy in the freshwater shrimp, Eulimnadia texana: Field estimates of inbreeding depression and relative male survival. Evolutionary Ecology Research 6:227-242.

Weeks SC, CL Marquette, and E Latsch. 2004. Barriers to outcrossing success in the primarily self-fertilizing clam shrimp, Eulimnadia texana (Crustacea, Branchiopoda). Invertebrate Biology 123:146-155.

Weeks, SC and RJ Duff. 2002. A genetic comparison of different populations of clam shrimp in the genus Eulimnadia. Hydrobiologia 486:295-302.

Weeks, SC, V Marcus, R Salisbury, and D Ott. 2002. Cyst development in the conchostracan shrimp, Eulimnadia texana. Hydrobiologia 486:289-294.

Weeks, SC, J Hutchison, and N Zucker. 2002. Maintenance of androdioecy in the freshwater shrimp, Eulimnadia texana: Do hermaphrodites need males for complete fertilization? Evolutionary Ecology 15:205-221.

Hollenbeck VG, N Zucker, W Gould and SC Weeks. 2002. Maintenance of androdioecy in the freshwater shrimp Eulimnadia texana: Sexual encounter rates and outcrossing success. Behavioral Ecology 13:561-570.

Naida Zucker, Gabriela A. Aguilar, Stephen C. Weeks,  and L. Garner McCandless. 2002. Variation in reproductive cycle between selfing and outcrossing hermaphrodites in an androdioecious desert shrimp. Invertebrate Biology 121:66-72.

Weeks, SC, BR Crosser, and MM Gray. 2001. Relative fitness of two hermaphroditic mating types in the androdioecious clam shrimp, Eulimnadia texana. Journal of Evolutionary Biology 14:83-94.

Zucker, N, B Stafki and SC Weeks. 2001. Maintenance of androdioecy in the freshwater shrimp, Eulimnadia texana: Relative longevity of males to hermaphrodites. Can. J. Zool. 79:393-401.

Medland, VL, N Zucker, and SC Weeks. 2000. Maintenance of androdioecy in the freshwater shrimp, Eulimnadia texana Parker: Encounters between males and hermaphrodites are not random. Ethology 106:839-848.

Weeks, SC, BR Crosser, B Bennett, MM Gray, and N Zucker. 2000. Maintenance of androdioecy in the freshwater shrimp, Eulimnadia texana: Variation in inbreeding depression between two populations.  Evolution 54:878-887.

Weeks, SC, BR Crosser, MM Gray, JA Matweyou, and N. Zucker. 2000. Is there sperm storage in the clam shrimp Eulimnadia texana? Invertebrate Biology 119:215-221.

Weeks, SC, and N Zucker. 1999. Rates of inbreeding in the clam shrimp Eulimnadia texana. Can. J. Zool. 77:1402-1408.

Weeks, SC, V Marcus and B Crosser. 1999. Inbreeding depression in a self-compatible, androdioecious crustacean, Eulimnadia texana. Evolution 53:472-483.

Belk, D, G Mura and SC Weeks. 1998. Untangling confusion between Eubranchipus vernalis and Eubranchipus neglectus (Branchiopoda, Anostraca). Journal of Crustacean Biology, 18:147-152.

Weeks, SC and V Marcus. 1997. A survey of the branchiopod crustaceans of Ohio. Ohio Journal of Science, 97:86-89.

Marcus, V and SC Weeks. 1997. The effects of pond duration on the life history traits of an ephemeral pond crustacean, Eulimnadia texana. Hydrobiologia, 359:213-221.

Weeks, SC, V Marcus and S Alvarez. 1997. Notes on the life history of the clam shrimp Eulimnadia texana. Hydrobiologia, 359:191-197.

Sassaman C and SC Weeks. 1993. The genetic mechanism of sex determination in the Conchostracan shrimp Eulimnadia texana. The American Naturalist 141:314-328.

Weeks SC and C Sassaman . 1990. Competition in phenotypically variable and uniform populations of the tadpole shrimp Triops longicaudatus (Notostraca: Triopsidae). Oecologia 82:552-559.

Weeks SC. 1990. Life-history variation under varying degrees of intraspecific competition in the tadpole shrimp Triops longicaudatus (LeConte). Journal of Crustacean Biology 10:498-503.