Project 5166: B. D. Chatterton, G. D. Edgecombe, N. E. Vaccari, B. G. Waisfeld. 1997. Ontogeny and relationships of the Ordovician odontopleurid trilobite Ceratocara, with new species from Argentina and New York. Journal of Paleontology. 71 (1):108-125.
Abstract
A growth series is described for a new species of Ceratocara Ramskold, 1991, C. argentina, from the Upper Ordovician (Caradoc) part of the Las Aguaditas Formation, near Jachal in San Juan Province, Argentine Precordillera. Another new species of Ceratocara. C. shawi, is described from the Middle Ordovician (lower Chazy) Crown Point Formation of New York. A phylogenetic analysis is presented for these species, other well-known Ordovician species of Ceratocara, and some Ordovician species of Ceratocephala, with Ceratocephalina tridens Whittington, 1956, as outgroup. The analysis presented supports the monophyly of both Ceratocara and Ceratocephala Warder, 1838, their divergence having occurred by the middle Arenig. The ontogenies of the Ceratocara species from Argentina and New York, complete from protaspid to holaspid growth stages, are some of the best preserved odontopleurid ontogenies described to date. Material of Ceratocephala triacantheis Whittington and Evitt, 1954, from the Crown Point Formation of the Chazy Group of New York, is discriminated from that of Ceratocara shawi.Read the article »
Article DOI: 10.1017/S0022336000039007
Project DOI: 10.7934/P5166, http://dx.doi.org/10.7934/P5166
This project contains | Matrices |
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Download Project SDD File | Total scored cells: 260 Total media associated with cells: 0 Total labels associated with cell media: 0 |
Characters | |
Total characters: 29 Total characters with associated media: 0 Total characters with media with labels: 0 Total character states: 59 Total character states with associated media: 0 Total character states with media with labels:0 Total unordered/ordered characters:28/1 |
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MorphoBank Project 5166
MorphoBank Project 5166
- Creation Date:
28 March 2024 - Publication Date:
08 April 2024 - Project views: 491
Authors' Institutions
- Universidad Nacional de Cordoba (UNC)
- University of Alberta
- Australian Museum
Members
member name | taxa | specimens | media | chars | character
| cell scorings (scored, NPA, "-") | cell
| rules | ||||||
Shreya Jariwala Project Administrator | 10 | 3 | 3 | 29 | 0 | 0 | 260 (260, 0, 0) | 0 | 0 | 0 |
Taxonomic Overview for Matrix 'M29759' (10 Taxa)
taxon | unscored cells |
scored cells |
no cell support |
NPA cells |
"-" cells | cell images | labels on cell images |
member access |
[1] † Ceratocara argentina Last Modified in 03/28/24 | 0 | 29 | 29 | 0 | 0 | 0 | 0 | 1 |
[2] † Ceratocara rarispina Last Modified in 03/28/24 | 2 | 27 | 27 | 0 | 0 | 0 | 0 | 1 |
[3] † Ceratocara sexpares Last Modified in 03/28/24 | 6 | 23 | 23 | 0 | 0 | 0 | 0 | 1 |
[4] † Ceratocara shawi Last Modified in 03/28/24 | 0 | 29 | 29 | 0 | 0 | 0 | 0 | 1 |
[5] † Ceratocephala triacantheis Last Modified in 03/28/24 | 0 | 29 | 29 | 0 | 0 | 0 | 0 | 1 |
[6] † Ceratocephala laciniata Last Modified in 03/28/24 | 0 | 29 | 29 | 0 | 0 | 0 | 0 | 1 |
[7] † Ceratocephala relativa Last Modified in 03/28/24 | 1 | 28 | 28 | 0 | 0 | 0 | 0 | 1 |
[8] † Ceratocephala graffhami Last Modified in 03/28/24 | 7 | 22 | 22 | 0 | 0 | 0 | 0 | 1 |
[9] † Ceratocephala tridens Last Modified in 03/28/24 | 1 | 28 | 28 | 0 | 0 | 0 | 0 | 1 |
[10] † Ceratocephala n. sp. Last Modified in 03/28/24 | 13 | 16 | 16 | 0 | 0 | 0 | 0 | 1 |
Project views
type | number of views | Individual items viewed (where applicable) |
Total project views | 491 | |
Matrix views | 48 | Matrix landing page (40 views); Chatterton et al 1997 (8 views); |
Project overview | 48 | |
Media views | 178 | Media search (119 views); M902774 (20 views); M902772 (20 views); M902773 (19 views); |
Taxon list | 40 | |
Views for media list | 39 | |
Documents list | 34 | |
Bibliography | 24 | |
Specimen list | 80 |