Department of Geology - Appalachian State University

Steven J. Hageman
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Dr. Steven J. Hageman
hagemansj@appstate.edu
Ph: 1+(828) 262-6609
Fax:1+(828) 262-6503

Department of Geology Appalachian State Univ.
PO. Box 32008
Boone, NC 28608

Refereed papers, first author:

20. Hageman, S.J. and Sawyer, J.A. 2006. Phenotypic variation in the bryozoan Leioclema punctatum (Hall, 1858) from Mississippian ephemeral host microcommunities. Journal of Paleontology, 80:1047-1057.

19. Hageman, S.J., Lukasik, J., McGowran, B. and Bone, Y. 2003. Paleoenvironmental significance of Celleporaria (Bryozoa) from modern and Tertiary cool-water carbonates of southern Australia. Palaios, 18:510–527.

18. Hageman, S.J. 2003. Complexity generated by iteration of hierarchical modules in Bryozoa. Integrative and Comparative Biology, 3:87–98.

17. Hageman, S.J., Bayer, M.M., and Todd, C.D. 2002. Partitioning phenotypic variation: implications for morphometric analyses (Bryozoa). pp. 131–140, In Wyse Jackson, P., Butler, C., and Spencer Jones, M. (eds.), Bryozoan Studies 2001. Swets & Zeitlinger, Lisse, The Netherlands.

16. Hageman, S.J. 2001. Encrusting invertebrate faunas and shipwreck histories: ballast stones from North Carolina Shipwreck 03BUI (Queen Anne's Revenge). Southeastern Geology, 4:65–73.

15. Hageman, S.J., James, N.P. and Bone, Y. 2000. Cool-water carbonate production from epizoic bryozoans on ephemeral substrates. Palaios, 15:33-48.

14. Hageman, S.J., Bayer, M. and Todd, C. 1999. Partitioning phenotypic variation: genotypic, environmental and residual components from bryozoan skeletal morphology. Journal of Natural History, 33:1713-1735.

13. Hageman, S.J., Bock, P.E., Bone, Y. and McGowran, B. 1998. Bryozoan growth habits: classification and analysis. Journal of Paleontology, 72:418-436.
12. Hageman S.J., Bone Y., McGowran B. and James, N.P. 1997. Bryozoan colonial growth forms as paleoenvironmental indicators: evaluation of methodology and predictive utility. Palaios, 12:405-419.

11. Hageman, S.J., Bone Y., McGowran B. and James, N.P. 1996. Bryozoan species distribution on the cool-water Lacepede Shelf, southern Australia, In Gordon, D., Smith, A. M., Mackey, J. G., eds., Bryozoans in Space and Time: Wellington, National Institute of Water and Atmospheric Research Ltd., p. 109-116.

10. Hageman, S.J., Bone Y., McGowran B. and James, N.P. 1995. Modern bryozoan assemblages and distribution on the Lacepede Shelf, southern Australian margin. Australian Journal of Earth Sciences, 42:571-580.

9. Hageman, S.J. 1995. Observed phenotypic variation in a Paleozoic bryozoan: implications for microevolutionary and systematic studies. Paleobiology, 21:314-328.

8. Hageman, S.J. 1994. Microevolutionary implications of clinal variation in the Paleozoic bryozoan Streblotrypa. Lethaia, 27:209-222.

7. Hageman, S.J. 1993. Effects of nonnormality on studies of morphological variation of a rhabdomesine bryozoan, Streblotrypa (Streblascopora) prisca (Gabb and Horn). Paleontological Contributions of the University of Kansas Number 4:1-13.

6. Hageman, S.J. 1992. Alternative methods for dealing with non-normality and heteroscedasticity in paleontologic data. Journal of Paleontology, 66:857-86
reprinted by invitation. 1994. Using alumenontos to introduce evolution and phylogeny. In McComas, W.F. (ed.) Investigating Evolutionary Biology in the Laboratory. National Association of Biology Teachers, Reston, Virginia, p. 111-116.

5. Hageman, S.J. 1991. Worthenopora: a Mississippian cryptostome (Bryozoa) that looks like a cheilostome. Journal of Paleontology, 65:648 -661.

4. Hageman, S.J. 1991. Discrete morphotaxa from a Mississippian fenestrate faunule: presence and implications. In Bigey, F.P. (ed.) Bryozooaries actuel et fossile: Bryozoans living and fossil. Bulletin de la Société des Sciences Naturelles de l'Ouest de la France, Mémoire HS 1, p. 147-150.

3. Hageman, S.J. 1991. Approaches to systematic and evolutionary studies of perplexing groups: an example using fenestrate Bryozoa. Journal of Paleontology, 65:630 -647.

2. Hageman, S.J. 1989. Use of alumenontos to introduce general paleontologic and biostratigraphic principles. Journal of Geological Education, 37:110-113.

1. Hageman, S.J. 1988. Image processing and analysis with microcomputers. Journal of Paleontology, 62:474-477.

Refereed papers, junior author:

4. McKinney, F.K. and Hageman, S.J. 2006. Paleozoic to modern marine ecological shift displayed in the northern Adriatic Sea. Geology, 34:881-884.

3. McGowran, B., Archer, M., Bock, P., Darragh, T.A., Godthelp, H., Hageman, S.J., Hand, S.J., Hill, R., Li, Q., Maxwell, P.A., McNamara, K.J., Macaphail, M., Mildenhall, D., Partridge, A.D., Richardson, J., Shafik, S., Truswell, E.M., and Warne, M. 2000. Australasian palaeobiogeography: the Palaeogene and Neogene record. Memior of the Association of Australasian Palaeontologists 23, 405–470.

2. Holdener, E.J. and Hageman, S.J. 1998. Implications of intracolonial variation in a Paleozoic bryozoan. Journal of Paleontology, 72:809–818.

1. James, N.P., Bone, Y., Hageman, S.J., Feary, D.A. and Gostin, V.A. 1997. Cool-water carbonate sedimentation during the terminal Quaternary high-amplitude, sea-level cycle: Lincoln Shelf, southern Australia. in James, N.P. and Clark, J.A. (eds.), SEPM Special Publication 56, Cool-water Carbonates.

Conference papers and abstracts:

45. Steinthorsdottir, M., Wyse Jackson, P.N., Hageman, S.J. and Abernethy, A. 2007. Measuring the stresses of everyday living; Microenvironmental gradients in arhabdomesine bryozoan from the Misissippian of Ireland. Abstracts with Programme, VII Larwood Meeting, Università degli Studi di Napoli Federico II. Naples Italy, p. 28.

44. McKinney, F.K., Hageman, S.J. 2005. Epibenthic to endobenthic transitions. Geological Society of America, 2005 annual meeting Abstracts with Programs, 37(7): 405.

43. Hageman, S.J., McKinney, F.K. 2006. Bryozoan growth habits; complexity and diversity in ecological reconstructions. Geological Society of America, Southeastern Section, 55th annual meeting Abstracts with Programs, 38(3): 22.

42. Nikulina, E., Tilbrook, K.J., Sueling, J., Schaefer, P., Hageman, S.J. 2004. From cryptic speciation to phylogeography in Electra pilosa; the case of genetic study of one cosmopolitan species. Geobiologie; 74. Jahrestagung der Palaeontologischen Gesellschaft; Kurzfassungen der Vortraege und Poster, 176.

41. Hageman, S.J. and Todd, C.D. 2004. Phenotypic variation and environmental hierarchy in the bryozoan Electra pilosa (L.). Geological Society of America: Abstracts with Programs v. 36.

40. Hageman, S.J., and Todd, C.D. 2004. Hierarchical sources of environmental variation in a modern bryozoan, Electra pilosa. International Bryozoology Association - 13th Conference, Concepción, 2004 – Abstracts. Concepcion, Chile.

39. Sawyer, J.A., Hageman, S.J., and Todd, C.D. 2003. Phenotypic variation in an epibiotic bryozoan (Leioclema sp.) from Chesterian ephemeral host substrates. Geological Society of America: Abstracts with Programs v. 35.

38. Needham, L.L., Hageman, S.J., and Todd, C.D. 2003. Effect of food concentration and genotype on hard-part morphology of the marine bryozoan, Electra pilosa (L.). Geological Society of America: Abstracts with Programs v. 35.

37. Hageman, S.J. 2002. Paleontology and the phenotype. Geological Society of America: Abstracts with Programs v. 34.

36. Snyder, E.M., Hageman, S.J., and Blake, D.B., 2002. A paleobiological laboratory: systematics of the Carboniferous dendroid bryozoan fauna of the Warsaw Formation. Geological Society of America: Abstracts with Programs v. 34.

35. Hageman, S.J., Needham, L., Bayer, M.M., and Todd,C.D. 2002. The influence of food concentration on morphology (Electra pilosoa, Bryozoa). Geological Society of America: Abstracts with Programs v. 34, n. 7.

34. Hageman, S.J. 2002. Growth patterns and complexity in colonial (modular) organisms. Society for Integrated and Comparative Biology 2002 Annual Meeting and Exhibition, Final Program with Abstracts. p. 219.

33. Hageman, S.J., Bayer, M.M., and Todd, C.D. 2001. Partitioning phenotypic variation into Genotype, Environment and GxE Interaction and within-colony factors: implications for morphometric analyses (Bryozoa). Geological Society of America: Abstracts with Programs v. 33, n. 7.

32. Hageman, S.J., Bayer, M.M., and Todd, C.D. 2001. Partitioning sources of morphologic variation within and among bryozoan colonies: genetic, microenvironmental and within colony growth/packing constraints (Electra pilosa). 12th International Bryozoology Association Meeting, Dublin Ireland: Programme, Abstracts & Delegates. p. 53.

31. Kazmer, M., Campbell, D., Forizs, I., Hageman, S.J. 2001. Bryozoan mass accumulation on tropical latitudes: the Eocene Castle Hayne Limestone, North Carolina, USA. 12th International Bryozoology Association Meeting, Dublin Ireland: Programme, Abstracts & Delegates. p. 63.

30. Snyder, E.M., Blake, D.B., Hageman, S.J. 2001. Dendroid bryozoans of the Warsaw Formation (Valmeyeran) of the Mississippi River outcrop belt, Illinois, USA. 12th International Bryozoology Association Meeting, Dublin Ireland: Programme, Abstracts & Delegates. p. 102.

29. Hageman, S.J. 2001. Distribution of bryozoan growth habit characteristics in Jacksonian (Late Eocene) facies of the Gulf Coast. Geological Society of America, Southeastern Section: Abstracts with Programs v. 33, n. 2, A-15.

28. Callahan, J., Craig, J., Lusardi, W., and Hageman, S.J. 2001. Hand specimen, X-ray, chemical petrography, paramagnetic and K-Ar age date studies of ballast stones from the Queen Anne's Revenge. The Society for Historical Archaeology, Conference on Historical and Underwater Archaelogy, Long Beach California: Abstracts with program.

27. Hageman, S.J. and Deardorff, J.W. 2000. Blackbeard's bryozoans and other encrusting invertebrate fauna of ballast stones from the Queen Anne's Revenge(?), ship wreck 03 BUI, North Carolina. Geological Society of America, Southeastern Section: Abstracts with Programs v. 32.

26. Hageman, S.J., Snyder, E.M., and Holdener, E.J. 1999. Bryozoans in morphospace (Fenestellidae): interpreting the meaning of fossil species. Geological Society of America: Abstracts with Programs v. 31, n. 7, p. 173.

25. Hageman, S.J., Lukasik, J., McGowran, B. and Bone, Y. 1998. Paleoenvironmental signals from Celleporaria (Bryozoa): cyclic, cool-water carbonate sediments from the southern Australian Cainozoic. Geological Society of America: Abstracts with Programs v. 31.

24. Hageman, S.J., Bock, P.E., Bone, Y. and McGowran, B. 1998. Bryozoan growth habits: classification and analysis. Geological Society of America (North-central Section): Abstracts with Programs v. 30.

23. Hageman, S.J. and Lidgard, S. 1998. Bryozoan data exchange. 11th International Bryozoology Association Conference, Smithsonian Tropical Research Institute, Panama, 1998.

22. Lidgard, S. and Hageman, S.J. 1998. Recognizing bryozoan species. 11th International Bryozoology Association Conference, Smithsonian Tropical Research Institute, Panama, 1998.

21. Beatty, W.L. Cuffey, R.J. Hageman, S.J., and Smith, A.M. 1998. Paleodepth and paleohabitat from bryozoan colony forms (Early Miocene, southern Australia). Geological Society of America (South-eastern Section): Abstracts with Programs v. 30, n. 4.

20. Hageman, S.J., Bayer, M. and Todd, C. 1997. Partitioning phenotypic and genotypic variation using the morphotype. All Russian and International Bryozoa Conference, St. Petersburg, Russia, 30 June-11 July, 1997.

19. James, N., Bone, Y., Hageman, S.J., Gostin, V.A., Feary, D.A. 1996. The Lioness, Bonaparte's Tongue and Coo-water Carbonates on the South Australian Continental Margin. SEPM/AAPG Meeting.

18. Hageman, S.J., James, N., and Bone. 1996. Carbonate sediment production from epizoic bryozoans on ephemeral substrates. Geological Society of America, Abstracts with Programs.

17. Hageman, S.J. 1989. Selection of the type and number of morphometric characters for study of fenestrate cryptostome Bryozoa. Geological Society of America: Abstracts with Programs v. 21, n. 4, p. 13.

16. Hageman S.J., Bone Y., McGowran B. and James N. 1995. Bryozoan colonial growth forms as paleoenvironmental indicators: reevaluation of methodology and predictive utility. Cool and cold-water carbonate workshop, GSA Sedimentology Specialists Group. Melbourne 1995.

15. Hageman S.J., Bone Y., McGowran B. and James N. 1995. Bryozoan biofacies on the cool-water Lacepede Shelf, southern Australia. 10th International Bryozoology Association Conference, Wellington New Zealand 1995.

14. Gowlett-Holmes K.L. and Hageman, S.J., 1995. Bryozoa faunas on jetty piles in South Australia. 10th International Bryozoology Association Conference, Wellington New Zealand 1995.

13. Hageman, S.J., Bone, Y., and McGowran, B. 1994. Bryozoan facies of the cool-water Lacepede Shelf, Southern Australia. 12th Australian Geological Congress, Perth, Abstracts, v. 37, p. 159.

12. Hageman, S.J. 1994. Multivariate analysis of morphologic variation: implications for evolutionary studies. 12th Australian Geological Congress, Perth, Abstracts, v. 37, p. 158.

11. Holdener, E. J., Blake, D. B., and Hageman, S.J. 1993. Intracolonial variation in a Mississippian fenestrate bryozoan. Geological Society of America: Abstracts with Programs v. 24, n. 7.

10. Holdener, E. J., Hageman, S.J., and Blake, D. B. 1992. Intracolony morphologic variation from a single large fenestrate zoarium. Tenth International Bryozoa Association Conference, Swansea Wales. p. 23.

9. Hageman, S.J., and Blake, D. B. 1992. Microenvironmental effects on intracolonial morphology in Bryozoa. Geological Society of America: Abstracts with Programs v. 24, n. 7.

8. Hageman, S.J. 1992. Ecophenotypic and geographic constraints in a microevolutionary study of a rhabdomesid bryozoan. Fifth North American Paleontological Convention, Chicago.Hageman, S.J. 1992. Implications of morphologic variability in Streblotrypa (Rhabdomesina). Tenth International Bryozoa Association Conference, Swansea Wales. p. 19.

7. Hageman, S.J., Blake, D. B., and Snyder, E. M. 1990 . From D'Arcy Thompson to thin-plate splines: an application of morphometrics to the systematics of Bryozoa. Geological Society of America: Abstracts with Programs v. 22, no 7. p. 36.

6. Hageman, S.J., and Wilkerson, M. Scott. 1990. Non-normality and heteroscedasticity in paleontologic data: what is the damage done? Geological Society of America (North-central Section): Abstracts with Programs v. 22, n. 4, p. 202.

5. Hageman, S.J. 1989. Evolutionary case histories: have we done the best we can do? Geological Society of America: Abstracts with Programs v. 22.

4. Hageman, S.J. 1989. Concepts and methods for the taxonomic analysis of fenestrate cryptostome Bryozoa. International Bryozoology Association 8th International Conference, Paris, Abstracts Volume. Museum National d' Histoire Naturelle. p. 14.

3. Hageman, S.J. 1989. Selection of the type and number of morphometric characters for study of fenestrate cryptostome Bryozoa. Geological Society of America: Abstracts with Programs v. 21, n. 4, p. 13

2. Hageman, S.J. 1988. Iterative evolution and tiering in fenestrate Bryozoa. Geological Society of America: Abstracts with Programs v. 20, n. 7, p. 201

1. Hageman, S.J., and Snyder, E. M. 1987. Worthenopora (Bryozoa, Stenolaemata): morphology and stratigraphic usefulness of a cryptostome (Ptilodictyina) with a cheilostome appearance. Geological Society of America (North-central Section): Abstracts with Programs v. 19, n. 4, p. 202.

Unrefereed papers and reports:

1. Hageman, S.J. 2003. Book Review: From DNA to Diversity, Molecular Genetics and the Evolution of Animal Design. Carroll, Grenier and Weatherbee (2001). Journal of Paleontology.