Revised phylogeny and functional interpretation of the Edrioasteroidea based on new taxa from the Early and Middle Ordovician of western Utah / Thomas E. Guensburg --, James Sprinkle --.
Brief | Detailed | MARC
Brief | Detailed | MARC
Brief | Detailed | MARC
LEADER
- Record Status:
c
- Type of record:
a
- Bibliographic level:
m
- Type of control:
- Undefined:
a
- Encoding level:
- Descriptive cataloging form:
a
- Linked record requirement:
CONTROL FIELD
- Control Field 001:
3766870
CONTROL FIELD
- Control Field 005:
20071023121501.0
CONTROL FIELD
- Control Field 008:
950112s1994 ilua b 000 0 eng d
LIBRARY OF CONGRESS CONTROL NUMBER
- LC control number:
94061793
SYSTEM CONTROL NUMBER
- System control number:
(OCoLC)ocm31804979
SYSTEM CONTROL NUMBER
CATALOGING SOURCE
- Original cataloging agency:
GIS
- Transcribing agency:
GIS
- Modifying agency:
UIU
GEOGRAPHIC AREA CODE
- Geographic area code:
n-us-ut
NATIONAL AGRICULTURAL LIBRARY CALL NUMBER
- Classification number:
500
- Item number:
C432G new ser. no.29
SUBJECT CATEGORY CODE
- Subject category code:
L700
MAIN ENTRY--PERSONAL NAME
- Personal name:
Guensburg, Thomas Edgar.
TITLE STATEMENT
- Title:
Revised phylogeny and functional interpretation of the Edrioasteroidea based on new taxa from the Early and Middle Ordovician of western Utah /
- Remainder of title page transcription/statement of responsibility:
Thomas E. Guensburg --, James Sprinkle --.
VARYING FORM OF TITLE
- Title proper/short title:
Edrioasteroidea
PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
- Place of publication, distribution, etc.:
Chicago, Ill. :
- Name of publisher, distributor, etc.:
Field Museum of Natural History,
- Date of publication, distribution, etc.:
1994.
PHYSICAL DESCRIPTION
- Extent:
iii, 43 p. :
- Other physical details:
19 ill. ;
- Dimensions:
26 cm.
SERIES STATEMENT/ADDED ENTRY--TITLE
- Title:
Fieldiana.
- Name of part/section of a work:
Geology,
- Volume number/sequential designation:
new ser., no. 29
- International Standard Serial Number:
0096-2651 ;
SERIES STATEMENT
- Series statement:
Publication ;
- Volume number/sequential designation:
1463
GENERAL NOTE
- General note:
"Accepted May 27, 1994. Published December 30, 1994."
BIBLIOGRAPHY, ETC. NOTE
- Bibliography, etc. note:
Includes bibliographical references (p. 38-41).
SUMMARY, ETC.
- Summary, etc.:
Five new edrioasteroid genera from the Early and Middle Ordovician of western Utah greatly enlarge the record of this scarce echinoderm class during its early diversification. Data from a diversity of taxa were used to generate a new phylogeny and classification of the edrioasteroids. New and reinterpreted morphology, particularly for the aboral surface, is introduced. Forty-two characters were scored for 15 taxa and subjected to a PAUP 3.0 parsimony analysis. This analysis identified two major edrioasteroid clades with subsequent subbranchings. One major clade is the isorophids, whose ancestry can be traced to the Early Cambrian; the second major clade includes edrioasterids and the former class Edrioblastoidea, dating to the Middle Cambrian. Edrioblastoids, rhenopyrgids, and cyathocystids mapped as specialized branches of the edrioasterid clade, while pyrgocystinids mapped as highly derived lebetodiscid isorophids. The cladistic analysis supported our hypothesis for analogous thecal elongation structures among edrioasterids and isorophids. -- The fauna contains the edrioasterid Paredriophus elongatus, n. gen. and sp., the edrioblastoid Lampteroblastus hintzei, n. gen. and sp., the agelacrinitid Deltadiscus superbus, n. gen. and sp., and the pyrgocystinid lebetodiscids Archaepyrgus anitae, n. gen. and sp., and Fanulodiscus crystalensis, n. gen. and sp. Several unassigned edrioasterids are also described that provide the first information concerning edrioasterid ontogeny. All are more similar to Middle Ordovician relatives than to those of the Middle to Late Cambrian, even though the faunas are approximately equally spaced by age. The new edrioasteroids adhered to firm substrates, including hardgrounds, mounds, or bioclastic debris. Lampteroblastus has an elongate bud-shaped theca with short ambulacra and triangular deltoids that resemble and could be homologous with those of cyathocystid edrioasteroids. Thecal plates of Lampteroblastus also have heavy ridges reminiscent of certain camerate crinoids. Archaepyrgus, n. gen., and Fanulodiscus, n. gen., provide the first detailed pyrgocystinid morphology; unique aspects of their construction include the presence of lateral hood plates and loss of ambulacral floor plates. Deltadiscus has extremely narrow ambulacra and a short elongation zone.
ISSUING BODY NOTE
- Issuing body note:
Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Museum (1945-1966) and Field Museum of Natural History (1966-1978). Fieldiana Geology New Series No. 1 began June 29, 1979.
SUBJECT ADDED ENTRY--TOPICAL TERM
- Topical term or geographic name as entry element:
Edrioasteroidea
- General subdivision:
Classification.
SUBJECT ADDED ENTRY--TOPICAL TERM
- Topical term or geographic name as entry element:
Edrioasteroidea
- Geographic subdivision:
Utah.
SUBJECT ADDED ENTRY--TOPICAL TERM
- Topical term or geographic name as entry element:
Paleontology
- Chronological subdivision:
Ordovician
SUBJECT ADDED ENTRY--TOPICAL TERM
- Topical term or geographic name as entry element:
Paleontology
- Geographic subdivision:
Utah.
SUBJECT ADDED ENTRY--TOPICAL TERM
- Topical term or geographic name as entry element:
Echinodermata, Fossil
ADDED ENTRY--PERSONAL NAME
- Personal name:
Sprinkle, James,
- Dates associated with a name:
1943-
- Relator term:
joint author
ADDED ENTRY--CORPORATE NAME
- Corporate name or jurisdiction name as entry element:
Field Museum of Natural History.
SERIES ADDED ENTRY--UNIFORM TITLE
- Uniform title:
Publication (Field Museum of Natural History) ;
- Volume number/sequential designation:
1463.
|
000
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3766870 |
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|a(OCoLC)ocm31804979 |
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|aGIS|cGIS|dUIU |
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0 |a500|bC432G new ser. no.29 |
| 072 |
0|aL700 |
| 100 |
1 |aGuensburg, Thomas Edgar. |
| 245 |
10|aRevised phylogeny and functional interpretation of the Edrioasteroidea based on new taxa from the Early and Middle Ordovician of western Utah /|cThomas E. Guensburg --, James Sprinkle --. |
| 246 |
37|aEdrioasteroidea |
| 260 |
|aChicago, Ill. :|bField Museum of Natural History,|c1994. |
| 300 |
|aiii, 43 p. :|b19 ill. ;|c26 cm. |
| 440 |
0|aFieldiana.|pGeology,|x0096-2651 ;|vnew ser., no. 29 |
| 490 |
1 |aPublication ;|v1463 |
| 500 |
|a"Accepted May 27, 1994. Published December 30, 1994." |
| 504 |
|aIncludes bibliographical references (p. 38-41). |
| 520 |
3 |aFive new edrioasteroid genera from the Early and Middle Ordovician of western Utah greatly enlarge the record of this scarce echinoderm class during its early diversification. Data from a diversity of taxa were used to generate a new phylogeny and classification of the edrioasteroids. New and reinterpreted morphology, particularly for the aboral surface, is introduced. Forty-two characters were scored for 15 taxa and subjected to a PAUP 3.0 parsimony analysis. This analysis identified two major edrioasteroid clades with subsequent subbranchings. One major clade is the isorophids, whose ancestry can be traced to the Early Cambrian; the second major clade includes edrioasterids and the former class Edrioblastoidea, dating to the Middle Cambrian. Edrioblastoids, rhenopyrgids, and cyathocystids mapped as specialized branches of the edrioasterid clade, while pyrgocystinids mapped as highly derived lebetodiscid isorophids. The cladistic analysis supported our hypothesis for analogous thecal elongation structures among edrioasterids and isorophids. -- The fauna contains the edrioasterid Paredriophus elongatus, n. gen. and sp., the edrioblastoid Lampteroblastus hintzei, n. gen. and sp., the agelacrinitid Deltadiscus superbus, n. gen. and sp., and the pyrgocystinid lebetodiscids Archaepyrgus anitae, n. gen. and sp., and Fanulodiscus crystalensis, n. gen. and sp. Several unassigned edrioasterids are also described that provide the first information concerning edrioasterid ontogeny. All are more similar to Middle Ordovician relatives than to those of the Middle to Late Cambrian, even though the faunas are approximately equally spaced by age. The new edrioasteroids adhered to firm substrates, including hardgrounds, mounds, or bioclastic debris. Lampteroblastus has an elongate bud-shaped theca with short ambulacra and triangular deltoids that resemble and could be homologous with those of cyathocystid edrioasteroids. Thecal plates of Lampteroblastus also have heavy ridges reminiscent of certain camerate crinoids. Archaepyrgus, n. gen., and Fanulodiscus, n. gen., provide the first detailed pyrgocystinid morphology; unique aspects of their construction include the presence of lateral hood plates and loss of ambulacral floor plates. Deltadiscus has extremely narrow ambulacra and a short elongation zone. |
| 550 |
|aFieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Museum (1945-1966) and Field Museum of Natural History (1966-1978). Fieldiana Geology New Series No. 1 began June 29, 1979. |
| 650 |
0|aEdrioasteroidea|xClassification. |
| 650 |
0|aEdrioasteroidea|zUtah. |
| 650 |
0|aPaleontology|yOrdovician |
| 650 |
0|aPaleontology|zUtah. |
| 650 |
0|aEchinodermata, Fossil |
| 700 |
1 |aSprinkle, James,|d1943-|ejoint author |
| 710 |
2 |aField Museum of Natural History. |
| 830 |
0|aPublication (Field Museum of Natural History) ;|v1463. |
|
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Fieldiana, Geology, new series, no. 29
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