Project 4095: A. Andruchow‐Colombo, M. A. Gandolfo, I. H. Escapa, N. R. Cúneo. 2022. New genus of Cupressaceae from the Upper Cretaceous of Patagonia (Argentina) fills a gap in the evolution of the ovuliferous complex in the family. Journal of Systematics and Evolution. 00:null.
Abstract
The conifer family Cupressaceae encompasses seven subfamilies. Five of them were once considered to constitute the family Taxodiaceae, later eliminated because of its paraphyletic nature but remaining as an informal category for early-diverging Cupressaceae lineages. Among the taxodiaceous subfamilies, Athrotaxoideae shows a unique morphology in its ovuliferous complexes (OCs) and a phylogenetically unexplored fossil record. We describe the new genus and species Patagotaxodia lefipanensis, based on OC adpressions associated with leafy branches collected at the Maastrichtian section of the Lefipán Formation (Patagonia, Argentina), and we refer it to Athrotaxoideae. We include Patagotaxodia in total evidence phylogenetic analysis to test its affinity, and we recover it within the subfamilies Athrotaxoideae or Cunninghamioideae. However, we argue that the characters supporting the athrotaxoid affinity are more meaningful in a taxodiaceous systematic context. This placement is also supported by taxon inclusion-exclusion experiments. We discuss the position of other Cretaceous athrotaxoid records. With basis on the morphological insights provided by the OC morphology of extant and extinct Athrotaxoideae, we study the evolution of the OC morphology in the family in a phylogenetic context and discuss the results in the light of the fossil record of the family. We discuss how and when the different morphologies appeared in the family. Based on phylogenetic, temporal, morphological, and ontogenetic evidence, we conclude that the OC morphology shown by the subfamily Athrotaxoideae is intermediate between two of the most common morphologies within extant and extinct Cupressaceae species, one of which would show adaptative advantages over basal morphologies.Read the article »
Article DOI: 10.1111/jse.12842
Project DOI: 10.7934/P4095, http://dx.doi.org/10.7934/P4095
This project contains | Matrices |
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Download Project SDD File | Total scored cells: 497 Total media associated with cells: 0 Total labels associated with cell media: 0 |
Characters | |
Total characters: 26 Total characters with associated media: 0 Total characters with media with labels: 0 Total character states: 70 Total character states with associated media: 0 Total character states with media with labels:0 Total unordered/ordered characters:26/0 |
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MorphoBank Project 4095
MorphoBank Project 4095
- Creation Date:
23 September 2021 - Publication Date:
03 August 2022 - Project views: 4367
- Matrix downloads: 4
This research
supported by
Authors' Institutions
- Museo Paleontológico Egidio Feruglio
- Cornell University
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
Members
member name | taxa | specimens | media | chars | character
| cell scorings (scored, NPA, "-") | cell
| rules | ||||||
MorphoBank Curator Project Administrator | 21 | 1 | 1 | 26 | 0 | 0 | 497 (496, 0, 1) | 0 | 0 | 0 |
Taxonomic Overview for Matrix 'M27665' (21 Taxa)
taxon | unscored cells |
scored cells |
no cell support |
NPA cells |
"-" cells | cell images | labels on cell images |
member access |
[1] Cedrus deodara Last Modified in 09/23/21 | 2 | 24 | 24 | 0 | 0 | 0 | 0 | 1 |
[2] Sciadopitys verticillata Last Modified in 09/23/21 | 1 | 25 | 24 | 0 | 1 | 0 | 0 | 1 |
[3] Cunninghamia lanceolata Last Modified in 09/23/21 | 0 | 26 | 26 | 0 | 0 | 0 | 0 | 1 |
[4] Taiwania cryptomerioides Last Modified in 09/23/21 | 0 | 26 | 26 | 0 | 0 | 0 | 0 | 1 |
[5] Athrotaxis laxifolia Last Modified in 09/23/21 | 1 | 26 | 24 | 0 | 0 | 0 | 0 | 1 |
[6] Athrotaxis selaginoides Last Modified in 09/23/21 | 4 | 23 | 22 | 0 | 0 | 0 | 0 | 1 |
[7] Athrotaxis cupressoides Last Modified in 09/23/21 | 4 | 24 | 22 | 0 | 0 | 0 | 0 | 1 |
[8] Sequoiadendron giganteum Last Modified in 09/23/21 | 0 | 26 | 26 | 0 | 0 | 0 | 0 | 1 |
[9] Sequoia sempervirens Last Modified in 09/23/21 | 0 | 27 | 26 | 0 | 0 | 0 | 0 | 1 |
[10] Metasequoia glyptostroboides Last Modified in 09/23/21 | 0 | 26 | 26 | 0 | 0 | 0 | 0 | 1 |
[11] Cryptomeria japonica Last Modified in 09/23/21 | 0 | 26 | 26 | 0 | 0 | 0 | 0 | 1 |
[12] Glyptostrobus pensilis Last Modified in 09/23/21 | 0 | 28 | 26 | 0 | 0 | 0 | 0 | 1 |
[13] Taxodium distichum Last Modified in 09/23/21 | 0 | 26 | 26 | 0 | 0 | 0 | 0 | 1 |
[14] Thuja occidentalis Last Modified in 09/23/21 | 1 | 25 | 25 | 0 | 0 | 0 | 0 | 1 |
[15] Platycladus orientalis Last Modified in 09/23/21 | 0 | 27 | 26 | 0 | 0 | 0 | 0 | 1 |
[16] Austrocedrus chilensis Last Modified in 09/23/21 | 0 | 26 | 26 | 0 | 0 | 0 | 0 | 1 |
[17] † Elatides zhoui Last Modified in 09/23/21 | 4 | 23 | 21 | 0 | 0 | 0 | 0 | 1 |
[18] † Elatides williamsonii Last Modified in 09/23/21 | 6 | 20 | 18 | 0 | 0 | 0 | 0 | 1 |
[19] † Protodammara speciosa Last Modified in 09/23/21 | 14 | 12 | 12 | 0 | 0 | 0 | 0 | 1 |
[20] † Patagotaxodia lefipanensis Last Modified in 09/23/21 | 15 | 12 | 11 | 0 | 0 | 0 | 0 | 1 |
[21] † Elatides bommeri Last Modified in 09/23/21 | 8 | 18 | 18 | 0 | 0 | 0 | 0 | 1 |
Project views
type | number of views | Individual items viewed (where applicable) |
Total project views | 4367 | |
Project overview | 385 | |
Matrix views | 272 | Matrix landing page (247 views); Cupressaceae morphological Matrix from Andruchow-Colombo et al. (25 views); |
Media views | 1032 | Media search (878 views); M843857 (154 views); |
Documents list | 253 | |
Taxon list | 1398 | |
Specimen list | 500 | |
Views for media list | 313 | |
Bibliography | 214 |
Project downloads
type | number of downloads | Individual items downloaded (where applicable) |
Total downloads from project | 7 | |
Matrix downloads | 4 | Cupressaceae morphological Matrix from Andruchow-Colombo et al. (4 downloads); |
Project downloads | 3 |