Search Results - "Gahn, F."

Sea Lilies in Spring: Crinoid Diversification during the Early Ordovician by Guensburg, T. E., Sprinkle, J., Mooi, R., Gahn, F., Lefebvre, B.

“…The many Early Ordovician crinoid discoveries over the past 30 years signal a largely undocumented crinoid radiation. The new crinoid diversity totals more…”
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Evolutionary History of Regeneration in Crinoids (Echinodermata) by Gahn, Forest J., Baumiller, Tomasz K.

“…The fossil record indicates that crinoids have exhibited remarkable regenerative abilities since their origin in the Ordovician, abilities that they likely…”
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A bootstrap analysis for comparative taphonomy applied to Early Mississippian (Kinderhookian) crinoids from the Wassonville Cycle of Iowa by Gahn, Forest J, Baumiller, Tomasz K

“…Morphological and environmental taphonomic gradient analysis provides insights into morphological, behavioral, and environmental influences on the preservation…”
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Primitive Cladid Crinoids From The Early Osagean Burlington Limestone And The Phylogenetics Of Mississippian Species Of Cyathocrinites by Kammer, T W, Gahn, F J

“…All 19 known species of the primitive cladid crinoid genera Atelestocrinus, Cyathocrinites, Goniocrinus, Parisocrinus, Pellecrinus, and Zygotocrinus from the…”
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The Cladid Crinoid Barycrinus From The Burlington Limestone (Early Osagean) And The Phylogenetics Of Mississippian Botryocrinids by Gahn, F J, Kammer, T W

“…All species of Barycrinus from the early Osagean Burlington Limestone of the United States midcontinent are reviewed. Burlington Barycrinus species include: B…”
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Determination of oxygen in lithium by the vacuum distillation method by Gahn, Randall F

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Vacuum distillation technique for recovery alkali-metal reaction products by Gahn, Randall F

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Testing Predator-Driven Evolution with Paleozoic Crinoid Arm Regeneration by Baumiller, Tomasz K., Gahn, Forest J.

“…Regenerating arms of crinoids represent direct evidence of nonlethal attacks by predators and provide an opportunity for exploring the importance of predation…”
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Determination of Oxygen in Potassium by Dupraw, W. A, Graab, J. W, Gahn, R. F

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Arm regeneration in Mississippian crinoids: evidence of intense predation pressure in the Paleozoic? by Gahn, Forest J, Baumiller, Tomasz K

“…Although direct predator-prey interactions are unobservable in the fossil record, predation has been used to explain many evolutionary trends. Evidence of…”
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THE CLADID CRINOID BARYCRINUS FROM THE BURLINGTON LIMESTONE (EARLY OSAGEAN) AND THE PHYLOGENETICS OF MISSISSIPPIAN BOTRYOCRINIDS by GAHN, FOREST J, KAMMER, THOMAS W

“…All species of Barycrinus from the early Osagean Burlington Limestone of the United States midcontinent are reviewed. Burlington Barycrinus species include: B…”
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PRIMITIVE CLADID CRINOIDS FROM THE EARLY OSAGEAN BURLINGTON LIMESTONE AND THE PHYLOGENETICS OF MISSISSIPPIAN SPECIES OF CYATHOCRINITES by KAMMER, THOMAS W, GAHN, FOREST J

“…All 19 known species of the primitive cladid crinoid genera Atelestocrinus, Cyathocrinites, Goniocrinus, Parisocrinus, Pellecrinus, and Zygotocrinus from the…”
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Accuracy of Three Methods for Determination of Oxygen in Potassium at Concentrations Less than 20 p.p.m by Gahn, R. A, Rosenblum, Louis

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