Pteridospermatophyta (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pteridospermatophyta" in Spanish language version.

Last modified: 12:09:24, 19 February 2026 (UTC)

Ref.Un. Ref.Website

Global rank Spanish rank

97doi.org

2^nd place

54jstor.org

23^rd place

56^th place

21wiley.com

150^th place

149^th place

11biodiversitylibrary.org

168^th place

284^th place

11annualreviews.org

2,959^th place

2,778^th place

11tandfonline.com

286^th place

382^nd place

annualreviews.org (Global: 2,959^th place; Spanish: 2,778^th place)

Doyle, James (2012). «Molecular and Fossil Evidence on the Origin of Angiosperms». Annual Review of Earth and Planetary Sciences. doi:10.1146/annurev-earth-042711-105313.

biodiversitylibrary.org (Global: 168^th place; Spanish: 284^th place)

Harris, Thomas M. «The Yorkshire Jurassic Flora». British Museum (Natural History). doi:10.5962/bhl.title.118957.

doi.org (Global: 2^nd place; Spanish: 2^nd place)

dx.doi.org

Taylor & Taylor (2009). «Seed ferns from the late Paleozoic and Mesozoic: Any angiosperm ancestors lurking there?». American Journal of Botany. doi:10.3732/ajb.0800202.
Bomfleur et al. (2011). «Systematics and Paleoecology of a New Peltaspermalean Seed Fern from the Triassic Polar Vegetation of Gondwana». International Journal of Plant Sciences. doi:10.1086/660188.
Taylor et al. (1996). «Permineralized seed fern cupules from the Triassic of Antarctica: Implications for cupule and carpel evolution». American Journal of Botany. doi:10.2307/2445645.
Bomfleur et al. (2014). «Habit and Ecology of the Petriellales, an Unusual Group of Seed Plants from the Triassic of Gondwan». International Journal of Plant Sciences. doi:10.1086/678087.
Harris, Thomas M. «The Yorkshire Jurassic Flora». British Museum (Natural History). doi:10.5962/bhl.title.118957.
Doyle, James (2012). «Molecular and Fossil Evidence on the Origin of Angiosperms». Annual Review of Earth and Planetary Sciences. doi:10.1146/annurev-earth-042711-105313.
Elgorriaga et al. (2019). «Southern Hemisphere Caytoniales: vegetative and reproductive remains from the Lonco Trapial Formation (Lower Jurassic), Patagonia». Journal of Systematic Palaeontology. doi:10.1080/14772019.2018.1535456.

jstor.org (Global: 23^rd place; Spanish: 56^th place)

Bomfleur et al. (2011). «Systematics and Paleoecology of a New Peltaspermalean Seed Fern from the Triassic Polar Vegetation of Gondwana». International Journal of Plant Sciences. doi:10.1086/660188.
Taylor et al. (1996). «Permineralized seed fern cupules from the Triassic of Antarctica: Implications for cupule and carpel evolution». American Journal of Botany. doi:10.2307/2445645.
Bomfleur et al. (2014). «Habit and Ecology of the Petriellales, an Unusual Group of Seed Plants from the Triassic of Gondwan». International Journal of Plant Sciences. doi:10.1086/678087.
Jason Hilton and Richard M. Bateman 2006, Pteridosperms Are the Backbone of Seed-Plant Phylogeny. The Journal of the Torrey Botanical Society Vol. 133, No. 1 (Jan. - Mar., 2006), pp. 119-168

tandfonline.com (Global: 286^th place; Spanish: 382^nd place)

Elgorriaga et al. (2019). «Southern Hemisphere Caytoniales: vegetative and reproductive remains from the Lonco Trapial Formation (Lower Jurassic), Patagonia». Journal of Systematic Palaeontology. doi:10.1080/14772019.2018.1535456.

wiley.com (Global: 150^th place; Spanish: 149^th place)

bsapubs.onlinelibrary.wiley.com

Taylor & Taylor (2009). «Seed ferns from the late Paleozoic and Mesozoic: Any angiosperm ancestors lurking there?». American Journal of Botany. doi:10.3732/ajb.0800202.

Pteridospermatophyta (Spanish Wikipedia)

annualreviews.org (Global: 2,959th place; Spanish: 2,778th place)

biodiversitylibrary.org (Global: 168th place; Spanish: 284th place)

doi.org (Global: 2nd place; Spanish: 2nd place)