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Robert L. Anstey
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Journal Article

Rates of anagenetic evolution and selection intensity in Middle and Upper Ordovician species of the bryozoan genus Peronopora

Joseph F. Pachut, Robert L. Anstey
Journal: Paleobiology
Published: 01 June 2012
Paleobiology (2012) 38 (3): 403–423.
DOI: https://doi.org/10.1666/10048.1
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DESCRIPTION AND PHYLOGENETIC ANALYSIS OF IBEROSTOMATA FOMBUENENSIS NEW GENUS AND SPECIES (BRYOZOA, PTILODICTYINA)

ANDREA JIMÉNEZ-SÁNCHEZ, ROBERT L. ANSTEY, BEATRIZ AZANZA
Published: 01 July 2010
Journal of Paleontology (2010) 84 (4): 695–708.
DOI: https://doi.org/10.1666/09-068.1
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Inferring evolutionary modes in a fossil lineage (Bryozoa: Peronopora ) from the Middle and Late Ordovician

Joseph F. Pachut, Robert L. Anstey
Journal: Paleobiology
Published: 01 May 2009
Paleobiology (2009) 35 (2): 209–230.
DOI: https://doi.org/10.1666/07055.1
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INFERRING EVOLUTIONARY ORDER AND DURATIONS USING BOTH STRATIGRAPHY AND CLADISTICS IN A FOSSIL LINEAGE (BRYOZOA: PERONOPORA )

JOSEPH F. PACHUT, ROBERT L. ANSTEY
Journal: PALAIOS
Published: 01 September 2007
PALAIOS (2007) 22 (5): 476–488.
DOI: https://doi.org/10.2110/palo.2005.p05-128r
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CLADISTIC AND PHENETIC RECOGNITION OF SPECIES IN THE ORDOVICIAN BRYOZOAN GENUS PERONOPORA

ROBERT L. ANSTEY, JOSEPH F. PACHUT
Published: 01 July 2004
Journal of Paleontology (2004) 78 (4): 651–674.
DOI: https://doi.org/10.1666/0022-3360(2004)078<0651:CAPROS>2.0.CO;2
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Patterns of bryozoan endemism through the Ordovician–Silurian transition

Robert L. Anstey, Joseph F. Pachut, Michael E. Tuckey
Journal: Paleobiology
Published: 01 January 2003
Paleobiology (2003) 29 (3): 305–328.
DOI: https://doi.org/10.1666/0094-8373(2003)029<0305:POBETT>2.0.CO;2
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PHYLOGENY, SYSTEMATICS, AND BIOSTRATIGRAPHY OF THE ORDOVICIAN BRYOZOAN GENUS PERONOPORA

JOSEPH F. PACHUT, ROBERT L. ANSTEY
Published: 01 July 2002
Journal of Paleontology (2002) 76 (4): 607–637.
DOI: https://doi.org/10.1666/0022-3360(2002)076<0607:PSABOT>2.0.CO;2
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Devonian bryozoan diversity, extinctions, and originations

Alan S. Horowitz, Joseph F. Pachut, Robert L. Anstey
Published: 01 May 1996
Journal of Paleontology (1996) 70 (3): 373–380.
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The H. A. Nicholson collection of Paleozoic stenolaemate bryozoans; comparison of cladistic and phenetic classifications

Joseph F. Pachut, Robert L. Anstey, Alan S. Horowitz
Published: 01 September 1994
Journal of Paleontology (1994) 68 (5): 978–994.
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The concepts of astogeny and ontogeny in stenolaemate bryozoans, and their illustration in colonies of Tabulipora carbonaria from the Lower Permian of Kansas

Joseph F. Pachut, Roger J. Cuffey, Robert L. Anstey
Published: 01 March 1991
Journal of Paleontology (1991) 65 (2): 213–233.
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Regional bryozoan biostratigraphy and taphonomy of the Edenian stratotype (Kope Formation, Cincinnati area); graphic correlation and gradient analysis

Robert L. Anstey, Salvatore Frank Rabbio
Journal: PALAIOS
Published: 01 December 1989
PALAIOS (1989) 4 (6): 574–584.
DOI: https://doi.org/10.2307/3514747
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Astogeny and phylogeny; evolutionary heterochrony in Paleozoic bryozoans

Robert L. Anstey
Journal: Paleobiology
Published: 01 January 1987
Paleobiology (1987) 13 (1): 20–43.
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The relative information content of Fourier-structural, binary (presence-absence) and combined data sets; a test using the H. A. Nicholson collection of Paleozoic stenolaemate bryozoans

Joseph F. Pachut, Robert L. Anstey
Published: 01 September 1984
Journal of Paleontology (1984) 58 (5): 1296–1311.
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Quantitative stereology; an improved thin section biometry for bryozoans and other colonial organisms

Robert L. Anstey, John W. Bartley
Published: 01 May 1984
Journal of Paleontology (1984) 58 (3): 612–625.
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Fourier analysis of morphological plasticity within an Ordovician bryozoan colony

Dale A. Delmet, Robert L. Anstey
Published: 01 March 1974
Journal of Paleontology (1974) 48 (2): 217–226.
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Journal Article

Fourier Analysis of Zooecial Shapes in Fossil Tubular Bryozoans

ROBERT L. ANSTEY, DALE A. DELMET
Journal: GSA Bulletin
Published: 01 May 1973
GSA Bulletin (1973) 84 (5): 1753–1764.
DOI: https://doi.org/10.1130/0016-7606(1973)84<1753:FAOZSI>2.0.CO;2
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Biometric procedures in taxonomic studies of Paleozoic bryozoans

Robert L. Anstey, T. G. Perry
Published: 01 March 1970
Journal of Paleontology (1970) 44 (2): 383–398.
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Redescription of cotypes of Peronopora vera Ulrich, a Cincinnatian (late Ordovician) ectoproct species

Robert L. Anstey, T. G. Perry
Published: 01 March 1969
Journal of Paleontology (1969) 43 (2): 245–251.
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