Project 2189: Allison Y. Hsiang, Daniel J. Field, Timothy H. Webster, Adam D. B. Behlke, Matthew B. Davis, Rachel A. Racicot, Jacques A. Gauthier. 2015. The origin of snakes: revealing the ecology, behavior, and evolutionary history of early snakes using genomics, phenomics, and the fossil record. BMC Evolutionary Biology. 15 (87).
Abstract
The highly derived morphology and astounding diversity of snakes has long inspired debate regarding the ecological and evolutionary origin of both the snake total-group (Pan-Serpentes) and crown snakes (Serpentes). Although speculation abounds on the ecology, behavior, and provenance of the earliest snakes, a rigorous, clade-wide analysis of snake origins has yet to be attempted, in part due to a dearth of adequate paleontological data on early stem snakes. Here, we present the first comprehensive analytical reconstruction of the ancestor of crown snakes and the ancestor of the snake total-group, as inferred using multiple methods of ancestral state reconstruction. We use a combined-data approach that includes new information from the fossil record on extinct crown snakes, new data on the anatomy of the stem snakes Najash rionegrina, Dinilysia patagonica, and Coniophis precedens, and a deeper understanding of the distribution of phenotypic apomorphies among the major clades of fossil and Recent snakes. Additionally, we infer time-calibrated phylogenies using both new ‘tip-dating’ and traditional node-based approaches, providing new insights on temporal patterns in the early evolutionary history of snakes.Read the article »
Article DOI: 10.1186/s12862-015-0358-5
Project DOI: 10.7934/P2189, http://dx.doi.org/10.7934/P2189
This project contains | Matrices |
---|---|
Download Project SDD File | Total scored cells: 33788 Total media associated with cells: 0 Total labels associated with cell media: 0 |
Characters | |
Total characters: 777 Total characters with associated media: 0 Total characters with media with labels: 0 Total character states: 1974 Total character states with associated media: 0 Total character states with media with labels:0 Total unordered/ordered characters:558/219 |
Currently Viewing:
MorphoBank Project 2189
MorphoBank Project 2189
- Creation Date:
04 June 2015 - Publication Date:
12 June 2015 - Matrix downloads: 22
This research
supported by
Authors' Institutions
- National Museum of Natural History, Smithsonian Institution
- Yale University
Members
member name | taxa | specimens | media | chars | character
| cell scorings (scored, NPA, "-") | cell
| rules | ||||||
MorphoBank Curator Project Administrator | 74 | 2 | 2 | 777 | 0 | 0 | 33788 (33788, 0, 0) | 0 | 0 | 0 | ||||
Maureen Admin Full membership | 0 | 0 | 0 | 0 | 0 | 0 | 0 (0, 0, 0) | 0 | 0 | 0 | ||||
Allison Hsiang Full membership | 0 | 0 | 0 | 0 | 0 | 0 | 0 (0, 0, 0) | 0 | 0 | 0 |
Taxonomic Overview for Matrix 'M23369' (73 Taxa)
taxon | unscored cells |
scored cells |
no cell support |
NPA cells |
"-" cells | cell images | labels on cell images |
member access |
[1] Shinisaurus crocodilurus Taxon name last Modified on 06/04/15 | 147 | 630 | 630 | 0 | 0 | 0 | 0 | 3 |
[2] Xenosaurus platyceps Taxon name last Modified on 06/04/15 | 217 | 560 | 560 | 0 | 0 | 0 | 0 | 3 |
[3] Xenosaurus grandis Taxon name last Modified on 06/04/15 | 149 | 631 | 628 | 0 | 0 | 0 | 0 | 3 |
[4] Pseudopus apodus Taxon name last Modified on 06/04/15 | 188 | 591 | 589 | 0 | 0 | 0 | 0 | 3 |
[5] † Peltosaurus granulosus Taxon name last Modified on 06/12/15 | 306 | 472 | 471 | 0 | 0 | 0 | 0 | 3 |
[6] † Helodermoides tuberculatus Taxon name last Modified on 06/12/15 | 407 | 371 | 370 | 0 | 0 | 0 | 0 | 3 |
[7] Celestus enneagrammus Taxon name last Modified on 06/04/15 | 156 | 623 | 621 | 0 | 0 | 0 | 0 | 3 |
[8] Elgaria multicarinata Taxon name last Modified on 06/04/15 | 130 | 649 | 647 | 0 | 0 | 0 | 0 | 3 |
[9] † Proplatynotia longirostrata Taxon name last Modified on 06/12/15 | 495 | 282 | 281 | 0 | 0 | 0 | 0 | 3 |
[10] † Gobiderma pulchrum Taxon name last Modified on 06/12/15 | 355 | 422 | 422 | 0 | 0 | 0 | 0 | 3 |
[11] Heloderma horridum Taxon name last Modified on 06/04/15 | 161 | 616 | 616 | 0 | 0 | 0 | 0 | 3 |
[12] Heloderma suspectum Taxon name last Modified on 06/04/15 | 165 | 616 | 612 | 0 | 0 | 0 | 0 | 3 |
[13] Lanthanotus borneensis Taxon name last Modified on 06/04/15 | 161 | 616 | 616 | 0 | 0 | 0 | 0 | 3 |
[14] † Saniwa Taxon name last Modified on 06/12/15 | 318 | 459 | 459 | 0 | 0 | 0 | 0 | 3 |
[15] Varanus salvator Taxon name last Modified on 06/04/15 | 164 | 616 | 613 | 0 | 0 | 0 | 0 | 3 |
[16] Varanus acanthurus Taxon name last Modified on 06/04/15 | 157 | 621 | 620 | 0 | 0 | 0 | 0 | 3 |
[17] Varanus exanthematicus Taxon name last Modified on 06/04/15 | 158 | 621 | 619 | 0 | 0 | 0 | 0 | 3 |
[18] † Coniophis precedens Taxon name last Modified on 06/12/15 | 683 | 94 | 94 | 0 | 0 | 0 | 0 | 3 |
[19] † Najash rionegrina Taxon name last Modified on 06/12/15 | 600 | 177 | 177 | 0 | 0 | 0 | 0 | 3 |
[20] † Dinilysia patagonica Taxon name last Modified on 06/12/15 | 369 | 408 | 408 | 0 | 0 | 0 | 0 | 3 |
[21] Rena dulcis Taxon name last Modified on 06/04/15 | 325 | 455 | 452 | 0 | 0 | 0 | 0 | 3 |
[22] Typhlops jamaicensis Taxon name last Modified on 06/04/15 | 396 | 383 | 381 | 0 | 0 | 0 | 0 | 3 |
[23] Liotyphlops albirostris Taxon name last Modified on 06/04/15 | 396 | 383 | 381 | 0 | 0 | 0 | 0 | 3 |
[24] Typhlophis squamosus Taxon name last Modified on 06/04/15 | 422 | 356 | 355 | 0 | 0 | 0 | 0 | 3 |
[25] † Sanajeh indicus Taxon name last Modified on 06/12/15 | 698 | 79 | 79 | 0 | 0 | 0 | 0 | 3 |
[26] † Wonambi naracoortensis Taxon name last Modified on 06/12/15 | 576 | 201 | 201 | 0 | 0 | 0 | 0 | 3 |
[27] † Yurlunggur camfieldensis Taxon name last Modified on 06/12/15 | 547 | 230 | 230 | 0 | 0 | 0 | 0 | 3 |
[28] Anilius scytale Taxon name last Modified on 06/04/15 | 261 | 518 | 516 | 0 | 0 | 0 | 0 | 3 |
[29] Cylindrophis ruffus Taxon name last Modified on 06/04/15 | 237 | 541 | 540 | 0 | 0 | 0 | 0 | 3 |
[30] Anomochilus leonardi Taxon name last Modified on 06/04/15 | 314 | 463 | 463 | 0 | 0 | 0 | 0 | 3 |
[31] Uropeltis melanogaster Taxon name last Modified on 06/04/15 | 321 | 457 | 456 | 0 | 0 | 0 | 0 | 3 |
[32] † Haasiophis terrasanctus Taxon name last Modified on 06/12/15 | 478 | 300 | 299 | 0 | 0 | 0 | 0 | 3 |
[33] † Eupodophis descouensis Taxon name last Modified on 06/12/15 | 608 | 170 | 169 | 0 | 0 | 0 | 0 | 3 |
[34] † Pachyrhachis problematicus Taxon name last Modified on 06/12/15 | 556 | 222 | 221 | 0 | 0 | 0 | 0 | 3 |
[35] Xenopeltis unicolor Taxon name last Modified on 06/04/15 | 261 | 517 | 516 | 0 | 0 | 0 | 0 | 3 |
[36] Loxocemus bicolor Taxon name last Modified on 06/04/15 | 232 | 546 | 545 | 0 | 0 | 0 | 0 | 3 |
[37] Casarea dussumieri Taxon name last Modified on 06/04/15 | 266 | 511 | 511 | 0 | 0 | 0 | 0 | 3 |
[38] Xenophidion acanthognathus Taxon name last Modified on 06/04/15 | 289 | 488 | 488 | 0 | 0 | 0 | 0 | 3 |
[39] Exiliboa placata Taxon name last Modified on 06/04/15 | 295 | 484 | 482 | 0 | 0 | 0 | 0 | 3 |
[40] Ungaliophis continentalis Taxon name last Modified on 06/04/15 | 293 | 488 | 484 | 0 | 0 | 0 | 0 | 3 |
[41] Lichanura trivirgata Taxon name last Modified on 06/04/15 | 277 | 502 | 500 | 0 | 0 | 0 | 0 | 3 |
[42] Calabaria reinhardtii Taxon name last Modified on 06/04/15 | 265 | 512 | 512 | 0 | 0 | 0 | 0 | 3 |
[43] Eryx colubrinus Taxon name last Modified on 06/04/15 | 258 | 521 | 519 | 0 | 0 | 0 | 0 | 3 |
[44] Epicrates striatus Taxon name last Modified on 06/04/15 | 255 | 526 | 522 | 0 | 0 | 0 | 0 | 3 |
[45] Boa constrictor Taxon name last Modified on 06/04/15 | 249 | 535 | 528 | 0 | 0 | 0 | 0 | 3 |
[46] Aspidites melanocephalus Taxon name last Modified on 06/04/15 | 268 | 513 | 509 | 0 | 0 | 0 | 0 | 3 |
[47] Python molurus Taxon name last Modified on 06/04/15 | 246 | 536 | 531 | 0 | 0 | 0 | 0 | 3 |
[48] Trachyboa boulengeri Taxon name last Modified on 06/04/15 | 275 | 503 | 502 | 0 | 0 | 0 | 0 | 3 |
[49] Tropidophis haetianus Taxon name last Modified on 06/04/15 | 247 | 534 | 530 | 0 | 0 | 0 | 0 | 3 |
[50] † Kataria anisodonta Taxon name last Modified on 06/12/15 | 592 | 185 | 185 | 0 | 0 | 0 | 0 | 3 |
[51] Xenodermus javanicus Taxon name last Modified on 06/04/15 | 271 | 508 | 506 | 0 | 0 | 0 | 0 | 3 |
[52] Acrochordus granulatus Taxon name last Modified on 06/04/15 | 294 | 484 | 483 | 0 | 0 | 0 | 0 | 3 |
[53] Pareas hamptoni Taxon name last Modified on 06/04/15 | 303 | 475 | 474 | 0 | 0 | 0 | 0 | 3 |
[54] Lycophidion capense Taxon name last Modified on 06/04/15 | 302 | 475 | 475 | 0 | 0 | 0 | 0 | 3 |
[55] Aparallactus werneri Taxon name last Modified on 06/04/15 | 290 | 489 | 487 | 0 | 0 | 0 | 0 | 3 |
[56] Atractaspis irregularis Taxon name last Modified on 06/04/15 | 359 | 420 | 418 | 0 | 0 | 0 | 0 | 3 |
[57] Azemiops feae Taxon name last Modified on 06/04/15 | 315 | 464 | 462 | 0 | 0 | 0 | 0 | 3 |
[58] Causus rhombeatus Taxon name last Modified on 06/04/15 | 329 | 451 | 448 | 0 | 0 | 0 | 0 | 3 |
[59] Daboia russelli Taxon name last Modified on 06/04/15 | 316 | 464 | 461 | 0 | 0 | 0 | 0 | 3 |
[60] Bothrops asper Taxon name last Modified on 06/04/15 | 313 | 467 | 464 | 0 | 0 | 0 | 0 | 3 |
[61] Agkistrodon contortrix Taxon name last Modified on 06/04/15 | 303 | 478 | 474 | 0 | 0 | 0 | 0 | 3 |
[62] Lachesis muta Taxon name last Modified on 06/04/15 | 314 | 467 | 463 | 0 | 0 | 0 | 0 | 3 |
[63] Micrurus fulvius Taxon name last Modified on 06/04/15 | 299 | 481 | 478 | 0 | 0 | 0 | 0 | 3 |
[64] Naja naja Taxon name last Modified on 06/04/15 | 285 | 495 | 492 | 0 | 0 | 0 | 0 | 3 |
[65] Laticauda colubrina Taxon name last Modified on 06/04/15 | 311 | 468 | 466 | 0 | 0 | 0 | 0 | 3 |
[66] Notechis scutatus Taxon name last Modified on 06/04/15 | 298 | 480 | 479 | 0 | 0 | 0 | 0 | 3 |
[67] Natrix natrix Taxon name last Modified on 06/04/15 | 282 | 497 | 495 | 0 | 0 | 0 | 0 | 3 |
[68] Thamnophis marcianus Taxon name last Modified on 06/04/15 | 277 | 502 | 500 | 0 | 0 | 0 | 0 | 3 |
[69] Amphiesma stolata Taxon name last Modified on 06/04/15 | 280 | 498 | 497 | 0 | 0 | 0 | 0 | 3 |
[70] Afronatrix anoscopus Taxon name last Modified on 06/04/15 | 299 | 479 | 478 | 0 | 0 | 0 | 0 | 3 |
[71] Xenochrophis piscator Taxon name last Modified on 06/04/15 | 283 | 495 | 494 | 0 | 0 | 0 | 0 | 3 |
[72] Lampropeltis getula Taxon name last Modified on 06/04/15 | 276 | 505 | 501 | 0 | 0 | 0 | 0 | 3 |
[73] Coluber constrictor Taxon name last Modified on 06/04/15 | 269 | 512 | 508 | 0 | 0 | 0 | 0 | 3 |
Project downloads
type | number of downloads | Individual items downloaded (where applicable) |
Total downloads from project | 458 | |
Matrix downloads | 22 | The origin of snakes: revealing the ecology, behavior, and evolutionary history of early snakes using genomics, phenomics, and the fossil record (22 downloads); |
Project downloads | 436 |