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Cincinnaticrinus varibrachialus

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Journal Article

THE PALEOBIOLOGY AND ONTOGENY OF CINCINNATICRINUS VARIBRACHIALUS FROM THE MIDDLE ORDOVICIAN (SHERMANIAN) WALCOTT-RUST QUARRY OF NEW YORK

JAMES C. BROWER
Published: 01 January 2005
Journal of Paleontology (2005) 79 (1): 152–174.
DOI: https://doi.org/10.1666/0022-3360(2005)079<0152:TPAOOC>2.0.CO;2
...JAMES C. BROWER Abstract The lichenocrinid holdfast of Cincinnaticrinus varibrachialus Warn and Strimple, 1977 was attached to a variety of hard objects, i.e., crinoid stems, twig-shaped and flat bryozoans, brachiopods, bivalves, cephalopod shells, trilobites, and phosphate nodules, throughout life...
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Figure 7 —Scatterplots for cup growth of <span class="search-highlight">Cincinnaticrinus</span> <span class="search-highlight">varibrachialus</span> ...

Figure 7 —Scatterplots for cup growth of Cincinnaticrinus varibrachialus ...

Published: 01 January 2005
Figure 7 —Scatterplots for cup growth of Cincinnaticrinus varibrachialus from the Walcott-Rust Quarry. The equations are listed in equations 1–3 of Table 1 . Note wide variation, especially for cup height and proximal cup width
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Figure 12 —Scatterplots for comparison of <span class="search-highlight">Cincinnaticrinus</span> <span class="search-highlight">varibrachialus</span>...

Figure 12 —Scatterplots for comparison of Cincinnaticrinus varibrachialus...

Published: 01 January 2005
Figure 12 —Scatterplots for comparison of Cincinnaticrinus varibrachialus and Ectenocrinus simplex ( Hall, 1847 ) from the Walcott-Rust Quarry. 1, Crown volume (X) versus width of food grooves (Y). Food groove widths for C. varibrachialus overlap with those of larger individuals of E
Journal Article

A crinoid fauna and a new species of Pycnocrinus from the Martinsburg Formation (Upper Ordovician), lower Hudson Valley, New York

James C. Brower, Carlton E. Brett, Howard R. Feldman
Published: 01 May 2024
Journal of Paleontology (2024) 98 (3): 402–419.
DOI: https://doi.org/10.1017/jpa.2024.4
... curtus with irregularly isotomous and heterotomous, non-pinnulate arms and a stout cylindrical column exceeding 700 mm; (2) the disparids Cincinnaticrinus varibrachialus , with heterotomous non pinnulate arms, and Ectenocrinus simplex , with extensively branched ramulate arms and meric columns of 460–500...
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Table 1 . Faunal counts for suspension feeding echinoderm assemblages in t...

Table 1 . Faunal counts for suspension feeding echinoderm assemblages in t...

Published: 01 March 2011
Table 1 . Faunal counts for suspension feeding echinoderm assemblages in the Walcott-Rust Quarry. The assemblages for Merocrinus curtus and M. retractilis have not been observed for specimens from the Quarry. However, M. curtus is found with Cincinnaticrinus varibrachialus
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Figure 5 . Graphs showing size distributions of food particles for plankto...

Figure 5 . Graphs showing size distributions of food particles for plankto...

Published: 01 March 2011
Figure 5 . Graphs showing size distributions of food particles for plankton population and common Walcott-Rust Quarry crinoids and their ranges of ambient current velocities for feeding. Species shown are adult Cincinnaticrinus varibrachialus , adult Ectenocrinus simplex , Rhaphanocrinus
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Paleoecological data for suspension feeding crinoids of the Martinsburg Qua...

Paleoecological data for suspension feeding crinoids of the Martinsburg Qua...

Published: 01 May 2024
Table 2. Paleoecological data for suspension feeding crinoids of the Martinsburg Quarry. Detailed discussion is in the text and Brower ( 2005 , 2007 , 2008 , 2010 , 2011 ). The elevations and attachment types for Merocrinus curtus , Cincinnaticrinus varibrachialus , and Ectenocrinus
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Figure 1 . Photographs and overlay drawings of representative slabs from t...

Figure 1 . Photographs and overlay drawings of representative slabs from t...

Published: 01 March 2011
Figure 1 . Photographs and overlay drawings of representative slabs from the Cincinnaticrinus varibrachialus – Ectenocrinus simplex assemblage from the Walcott-Rust Quarry: 1, 3, low density suite of crinoids, slab with 103132 and 133499, ×0.75; 2, 4, high density suite of crinoids, MCZ slab
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Figure 8 —Scatterplots for primibrach growth of <span class="search-highlight">Cincinnaticrinus</span> varibrac...

Figure 8 —Scatterplots for primibrach growth of Cincinnaticrinus varibrac...

Published: 01 January 2005
Figure 8 —Scatterplots for primibrach growth of Cincinnaticrinus varibrachialus from the Walcott-Rust Quarry. See equations 15 and 16 of Table 1 for statistical data. Brachial width grows more rapidly and shows less variation than brachial height
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Figure 11 —Scatterplots for growth of size and capacity of food-gathering ...

Figure 11 —Scatterplots for growth of size and capacity of food-gathering ...

Published: 01 January 2005
Figure 11 —Scatterplots for growth of size and capacity of food-gathering system in Cincinnaticrinus varibrachialus from the Walcott-Rust Quarry. Equations 6, 8, 10, and 12 of Table 2 contain the statistics. All equations consistently overestimate the data for the two smallest specimens
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Figure 3 —Relationship between distal cup width and cup height for Cincinn...

Figure 3 —Relationship between distal cup width and cup height for Cincinn...

Published: 01 July 2002
Figure 3 —Relationship between distal cup width and cup height for Cincinnatian crinoids. A = Anomalocrinus incurvus , C = Cincinnaticrinus varibrachialus , E = Ectenocrinus simplex , G = Glyptocrinus decadactylus , I = Iocrinus subcrassus , P = Pycnocrinus dyeri . Specimens used are listed
Journal Article

Paleoecology of Suspension-Feeding Echinoderm Assemblages from the Upper Ordovician (Katian, Shermanian) Walcott-Rust Quarry of New York

James C. Brower
Published: 01 March 2011
Journal of Paleontology (2011) 85 (2): 369–391.
DOI: https://doi.org/10.1666/10-066.1
...Table 1 . Faunal counts for suspension feeding echinoderm assemblages in the Walcott-Rust Quarry. The assemblages for Merocrinus curtus and M. retractilis have not been observed for specimens from the Quarry. However, M. curtus is found with Cincinnaticrinus varibrachialus...
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Table 2 —Allometric equations for volumes and food-gathering system of Ci...

Table 2 —Allometric equations for volumes and food-gathering system of Ci...

Published: 01 January 2005
Table 2 —Allometric equations for volumes and food-gathering system of Cincinnaticrinus varibrachialus and Ectenocrinus simplex from Walcott-Rust Quarry. Student's t values that are significant at the 0.01 probability levels are indicated by **. Student's t tests compare observed exponents
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Inferred disparid tegmen constructional pathways reflecting an unknown comb...

Inferred disparid tegmen constructional pathways reflecting an unknown comb...

Published: 01 July 2016
Figure 19 Inferred disparid tegmen constructional pathways reflecting an unknown combination of phylogenetic and iterative evolution (thumbnails not to scale; compare with Fig. 18 ). ( 1 ) Cincinnaticrinus varibrachialus ; ( 2 ) Acolocrinus crinerensis ; ( 3 ) Doliocrinus pustulatus ; ( 4
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Figure 9 —Scatterplots for column and columnal growth of <span class="search-highlight">Cincinnaticrinus</span>...

Figure 9 —Scatterplots for column and columnal growth of Cincinnaticrinus...

Published: 01 January 2005
Figure 9 —Scatterplots for column and columnal growth of Cincinnaticrinus varibrachialus from the Walcott-Rust Quarry. Equations 24, 25, and 27 of Table 1 list the statistics for the first three graphs; no equation was fitted to Figure 4 because some stems are incomplete. Width
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Figure 4 . Graphs showing size-frequency distributions and percent survivo...

Figure 4 . Graphs showing size-frequency distributions and percent survivo...

Published: 01 March 2011
Figure 4 . Graphs showing size-frequency distributions and percent survivorship for Cincinnaticrinus varibrachialus , Ectenocrinus simplex , and Iocrinus trentonensis . The size-frequency plots are grouped into eight frequency classes so they can be compared with many of the figures in Brett
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Figure 1 —Drawing showing plate terminology for aboral cup of Cincinnatic...

Figure 1 —Drawing showing plate terminology for aboral cup of Cincinnatic...

Published: 01 January 2005
Figure 1 —Drawing showing plate terminology for aboral cup of Cincinnaticrinus varibrachialus Warn and Strimple, 1977 (redrawn from Warn and Strimple, 1977 , text-fig. 8c). Plate symbols: B, basals; R, radials; FIBr, fixed primibrachs; IBr, free primibrachs; X, anal X plate; and X1, first anal
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Figure 10 —Scatterplots for growth of volumes in <span class="search-highlight">Cincinnaticrinus</span> varibra...

Figure 10 —Scatterplots for growth of volumes in Cincinnaticrinus varibra...

Published: 01 January 2005
Figure 10 —Scatterplots for growth of volumes in Cincinnaticrinus varibrachialus from the Walcott-Rust Quarry. Statistics are given in equations 1, 2, and 5 of Table 2 . Stem data for adults are based on longest known incomplete stem segments which have attached cups or crowns. Crown volume
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Figure 7 . Graph showing relative abundance distribution for species of su...

Figure 7 . Graph showing relative abundance distribution for species of su...

Published: 01 March 2011
Figure 7 . Graph showing relative abundance distribution for species of suspension-feeding echinoderms in the Walcott-Rust Quarry. Equation is Number of specimens = 1082·10 (−0.289·Rank order of species) with an r 2 of 0.963. Rank order of species: 1 =  Cincinnaticrinus varibrachialus , 2
Journal Article

ONTOGENY OF THE FOOD-GATHERING SYSTEM IN ORDOVICIAN CRINOIDS

JAMES C. BROWER
Published: 01 May 2006
Journal of Paleontology (2006) 80 (3): 430–446.
DOI: https://doi.org/10.1666/0022-3360(2006)80[430:OOTFSI]2.0.CO;2
..., cladid with comparatively slender arms, juvenile and adult, figured specimens, SUI 62858 and 62864, ×3.7 and ×2. 16–18 , Cincinnaticrinus varibrachialus Warn and Strimple, 1977 , Arm type 4, disparid with moderate number of ramules, smallest specimen, juvenile and adult, figured specimens, MCZ 136869...
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