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Items: 43


Growing up Tyrannosaurus rex: Osteohistology refutes the pygmy "Nanotyrannus" and supports ontogenetic niche partitioning in juvenile Tyrannosaurus.

Woodward HN, Tremaine K, Williams SA, Zanno LE, Horner JR, Myhrvold N.

Sci Adv. 2020 Jan 1;6(1):eaax6250. doi: 10.1126/sciadv.aax6250. eCollection 2020 Jan.


Ontogenetic changes in the long bone microstructure in the nine-banded armadillo (Dasypus novemcinctus).

Heck CT, Varricchio DJ, Gaudin TJ, Woodward HN, Horner JR.

PLoS One. 2019 Apr 25;14(4):e0215655. doi: 10.1371/journal.pone.0215655. eCollection 2019.


Avian tail ontogeny, pygostyle formation, and interpretation of juvenile Mesozoic specimens.

Rashid DJ, Surya K, Chiappe LM, Carroll N, Garrett KL, Varghese B, Bailleul A, O'Connor JK, Chapman SC, Horner JR.

Sci Rep. 2018 Jun 13;8(1):9014. doi: 10.1038/s41598-018-27336-x.


Effectiveness of Respiratory Syncytial Virus Immunoprophylaxis in Reducing Bronchiolitis Hospitalizations Among High-Risk Infants.

Wu P, Escobar GJ, Gebretsadik T, Carroll KN, Li SX, Walsh EM, Mitchel EF, Sloan C, Dupont WD, Yu C, Horner JR, Hartert TV.

Am J Epidemiol. 2018 Jul 1;187(7):1490-1500. doi: 10.1093/aje/kwy008.


Vertebral Adaptations to Large Body Size in Theropod Dinosaurs.

Wilson JP, Woodruff DC, Gardner JD, Flora HM, Horner JR, Organ CL.

PLoS One. 2016 Jul 21;11(7):e0158962. doi: 10.1371/journal.pone.0158962. eCollection 2016.


Fusion Patterns in the Skulls of Modern Archosaurs Reveal That Sutures Are Ambiguous Maturity Indicators for the Dinosauria.

Bailleul AM, Scannella JB, Horner JR, Evans DC.

PLoS One. 2016 Feb 10;11(2):e0147687. doi: 10.1371/journal.pone.0147687. eCollection 2016.


A New Brachylophosaurin Hadrosaur (Dinosauria: Ornithischia) with an Intermediate Nasal Crest from the Campanian Judith River Formation of Northcentral Montana.

Freedman Fowler EA, Horner JR.

PLoS One. 2015 Nov 11;10(11):e0141304. doi: 10.1371/journal.pone.0141304. eCollection 2015.


First Reported Cases of Biomechanically Adaptive Bone Modeling in Non-Avian Dinosaurs.

Cubo J, Woodward H, Wolff E, Horner JR.

PLoS One. 2015 Jul 8;10(7):e0131131. doi: 10.1371/journal.pone.0131131. eCollection 2015.


From dinosaurs to birds: a tail of evolution.

Rashid DJ, Chapman SC, Larsson HC, Organ CL, Bebin AG, Merzdorf CS, Bradley R, Horner JR.

Evodevo. 2014 Jul 29;5:25. doi: 10.1186/2041-9139-5-25. eCollection 2014. Review.


Evolutionary trends in Triceratops from the Hell Creek Formation, Montana.

Scannella JB, Fowler DW, Goodwin MB, Horner JR.

Proc Natl Acad Sci U S A. 2014 Jul 15;111(28):10245-50. doi: 10.1073/pnas.1313334111. Epub 2014 Jun 30.


Quantification of intraskeletal histovariability in Alligator mississippiensis and implications for vertebrate osteohistology.

Woodward HN, Horner JR, Farlow JO.

PeerJ. 2014 Jun 3;2:e422. doi: 10.7717/peerj.422. eCollection 2014.


Paleontology: a cock's comb on a duck-billed dinosaur.

Horner JR.

Curr Biol. 2014 Jan 20;24(2):R85-6. doi: 10.1016/j.cub.2013.12.007.


Misconceptions of sexual selection and species recognition: a response to Knell et al. and to Mendelson and Shaw.

Padian K, Horner JR.

Trends Ecol Evol. 2013 May;28(5):249-50. doi: 10.1016/j.tree.2013.01.011. Epub 2013 Feb 28. No abstract available.


Secondary cartilage revealed in a non-avian dinosaur embryo.

Bailleul AM, Hall BK, Horner JR.

PLoS One. 2013;8(2):e56937. doi: 10.1371/journal.pone.0056937. Epub 2013 Feb 13.


First evidence of dinosaurian secondary cartilage in the post-hatching skull of Hypacrosaurus stebingeri (Dinosauria, Ornithischia).

Bailleul AM, Hall BK, Horner JR.

PLoS One. 2012;7(4):e36112. doi: 10.1371/journal.pone.0036112. Epub 2012 Apr 30.


'Nedoceratops': an example of a transitional morphology.

Scannella JB, Horner JR.

PLoS One. 2011;6(12):e28705. doi: 10.1371/journal.pone.0028705. Epub 2011 Dec 14.


Reanalysis of "Raptorex kriegsteini": a juvenile tyrannosaurid dinosaur from Mongolia.

Fowler DW, Woodward HN, Freedman EA, Larson PL, Horner JR.

PLoS One. 2011;6(6):e21376. doi: 10.1371/journal.pone.0021376. Epub 2011 Jun 29.


Cranial ontogeny in Stegoceras validum (Dinosauria: Pachycephalosauria): a quantitative model of pachycephalosaur dome growth and variation.

Schott RK, Evans DC, Goodwin MB, Horner JR, Brown CM, Longrich NR.

PLoS One. 2011;6(6):e21092. doi: 10.1371/journal.pone.0021092. Epub 2011 Jun 29.


Cannibalism in Tyrannosaurus rex.

Longrich NR, Horner JR, Erickson GM, Currie PJ.

PLoS One. 2010 Oct 15;5(10):e13419. doi: 10.1371/journal.pone.0013419.


Cretaceous extinctions: multiple causes.

Archibald JD, Clemens WA, Padian K, Rowe T, Macleod N, Barrett PM, Gale A, Holroyd P, Sues HD, Arens NC, Horner JR, Wilson GP, Goodwin MB, Brochu CA, Lofgren DL, Hurlbert SH, Hartman JH, Eberth DA, Wignall PB, Currie PJ, Weil A, Prasad GV, Dingus L, Courtillot V, Milner A, Milner A, Bajpai S, Ward DJ, Sahni A.

Science. 2010 May 21;328(5981):973; author reply 975-6. doi: 10.1126/science.328.5981.973-a. No abstract available.


Extreme cranial ontogeny in the upper cretaceous dinosaur pachycephalosaurus.

Horner JR, Goodwin MB.

PLoS One. 2009 Oct 27;4(10):e7626. doi: 10.1371/journal.pone.0007626.


Common avian infection plagued the tyrant dinosaurs.

Wolff ED, Salisbury SW, Horner JR, Varricchio DJ.

PLoS One. 2009 Sep 30;4(9):e7288. doi: 10.1371/journal.pone.0007288.


Biomolecular characterization and protein sequences of the Campanian hadrosaur B. canadensis.

Schweitzer MH, Zheng W, Organ CL, Avci R, Suo Z, Freimark LM, Lebleu VS, Duncan MB, Vander Heiden MG, Neveu JM, Lane WS, Cottrell JS, Horner JR, Cantley LC, Kalluri R, Asara JM.

Science. 2009 May 1;324(5927):626-31. doi: 10.1126/science.1165069.


Relative growth rates of predator and prey dinosaurs reflect effects of predation.

Cooper LN, Lee AH, Taper ML, Horner JR.

Proc Biol Sci. 2008 Nov 22;275(1651):2609-15. doi: 10.1098/rspb.2008.0912.


Using culture-centered qualitative formative research to design broadcast messages for HIV prevention for African American adolescents.

Horner JR, Romer D, Vanable PA, Salazar LF, Carey MP, Juzang I, Fortune T, Diclemente R, Farber N, Stanton B, Valois RF.

J Health Commun. 2008 Jun;13(4):309-25. doi: 10.1080/10810730802063215.


Withdrawal (coitus interruptus) as a sexual risk reduction strategy: perspectives from African-American adolescents.

Horner JR, Salazar LF, Romer D, Vanable PA, DiClemente R, Carey MP, Valois RF, Stanton BF, Brown LK.

Arch Sex Behav. 2009 Oct;38(5):779-87. doi: 10.1007/s10508-007-9304-y. Epub 2008 Feb 22.


Analyses of soft tissue from Tyrannosaurus rex suggest the presence of protein.

Schweitzer MH, Suo Z, Avci R, Asara JM, Allen MA, Arce FT, Horner JR.

Science. 2007 Apr 13;316(5822):277-80.


Do egg-laying crocodilian (Alligator mississippiensis) archosaurs form medullary bone?

Schweitzer MH, Elsey RM, Dacke CG, Horner JR, Lamm ET.

Bone. 2007 Apr;40(4):1152-8. Epub 2007 Jan 12.


Soft tissue and cellular preservation in vertebrate skeletal elements from the Cretaceous to the present.

Schweitzer MH, Wittmeyer JL, Horner JR.

Proc Biol Sci. 2007 Jan 22;274(1607):183-97. Erratum in: Proc Biol Sci. 2007 Dec 22;274(1629):3183.


Major cranial changes during Triceratops ontogeny.

Horner JR, Goodwin MB.

Proc Biol Sci. 2006 Nov 7;273(1602):2757-61.


The interpretation of dinosaur growth patterns.

de Ricqlès A, Horner JR, Padian K.

Trends Ecol Evol. 2006 Nov;21(11):596-7. Epub 2006 Aug 17. No abstract available.


A silicified bird from Quaternary hot spring deposits.

Channing A, Schweitzer MH, Horner JR, McEneaney T.

Proc Biol Sci. 2005 May 7;272(1566):905-11.


How dinosaurs grew so large--and so small.

Horner JR, Padian K, de Ricqlès A.

Sci Am. 2005 Jul;293(1):56-63. No abstract available.


Gender-specific reproductive tissue in ratites and Tyrannosaurus rex.

Schweitzer MH, Wittmeyer JL, Horner JR.

Science. 2005 Jun 3;308(5727):1456-60.


Soft-tissue vessels and cellular preservation in Tyrannosaurus rex.

Schweitzer MH, Wittmeyer JL, Horner JR, Toporski JK.

Science. 2005 Mar 25;307(5717):1952-5.


Age and growth dynamics of Tyrannosaurus rex.

Horner JR, Padian K.

Proc Biol Sci. 2004 Sep 22;271(1551):1875-80.


Remarkable preservation of undigested muscle tissue within a Late Cretaceous tyrannosaurid coprolite from Alberta, Canada.

Chin K, Eberth DA, Schweitzer MH, Rando TA, Sloboda WJ, Horner JR.

Palaios. 2003 Jun;18(3):286-94.


Dinosaurian growth rates and bird origins.

Padian K, de Ricqlès AJ, Horner JR.

Nature. 2001 Jul 26;412(6845):405-8.


Cranial design and function in a large theropod dinosaur.

Rayfield EJ, Norman DB, Horner CC, Horner JR, Smith PM, Thomason JJ, Upchurch P.

Nature. 2001 Feb 22;409(6823):1033-7.


Heme compounds in dinosaur trabecular bone.

Schweitzer MH, Marshall M, Carron K, Bohle DS, Busse SC, Arnold EV, Barnard D, Horner JR, Starkey JR.

Proc Natl Acad Sci U S A. 1997 Jun 10;94(12):6291-6.


Evidence of the growth plate and the growth of long bones in juvenile dinosaurs.

Barreto C, Albrecht RM, Bjorling DE, Horner JR, Wilsman NJ.

Science. 1993 Dec 24;262(5142):2020-3.


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