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Pecopteris (Alethopteris)

Pteropsida

Taxonomy
Alethopteris was named by Sternberg (1825). It is not extant. Its type is Filicites lonchiticus.

It was reranked as Pecopteris (Alethopteris) by Oldham and Morris (1862).

It was assigned to Pecopteris by Oldham and Morris (1862); to Filicales by Lakhanpal et al. (1976), Chandra and Tewari (1991); and to Alethopteridae by Dilcher et al. (2005).

Species lacking formal opinion data
Alethopteris Helenae, Alethopteris ambigua, Alethopteris ambigua, Alethopteris australis, Alethopteris bohemica, Alethopteris davreuxi, Alethopteris decurrens, Alethopteris densinervosa, Alethopteris discrepans, Alethopteris elegans, Alethopteris friedeli, Alethopteris friedelii, Alethopteris gigas, Alethopteris grandini, Alethopteris grandinioides, Alethopteris grandis, Alethopteris ingbertensis, Alethopteris lesquereuxii, Alethopteris lonchitica, Alethopteris lonchitifolia, Alethopteris minima, Alethopteris minuta, Alethopteris missouriensis, Alethopteris muricata, Alethopteris nervosa, Alethopteris owenii, Alethopteris parva, Alethopteris pennsylvanica, Alethopteris pteroides, Alethopteris schneideri, Alethopteris serli, Alethopteris serli, Alethopteris serlii, Alethopteris serlii, Alethopteris sternberg, Alethopteris subelegans, Alethopteris sullivanti, Alethopteris sullivantii, Alethopteris virginiana, Alethopteris westphalensis, Alethopteris zeilleri, Alethopteris zeilleri, Pecopteris Geyleriana, Pecopteris abbreviata, Pecopteris acadica, Pecopteris acuta, Pecopteris acutifolia, Pecopteris aequalis, Pecopteris ameromi, Pecopteris andressonii, Pecopteris angusta, Pecopteris arborescens, Pecopteris aspera, Pecopteris asterotheca-sternbergi, Pecopteris augusta, Pecopteris bioti, Pecopteris bredovii, Pecopteris bucklandi, Pecopteris bussacensis, Pecopteris candolleana, Pecopteris candollei, Pecopteris cisti, Pecopteris cistii, Pecopteris clintoni, Pecopteris conybeari, Pecopteris cyathea, Pecopteris daubreei, Pecopteris decurrens, Pecopteris densifolia, Pecopteris elevarica, Pecopteris elliptica, Pecopteris esnostensis, Pecopteris feminaeformis, Pecopteris feminiaeformis, Pecopteris geinitzi, Pecopteris grandifolia, Pecopteris gruneri, Pecopteris guizhouensis, Pecopteris helenaeana, Pecopteris hemiteloides, Pecopteris hirta, Pecopteris hucheti, Pecopteris ingens, Pecopteris jongmansi, Pecopteris lamuriana, Pecopteris latepinnata, Pecopteris lepidorachis, Pecopteris lesquereuxii, Pecopteris limai, Pecopteris lingulata, Pecopteris longifolia, Pecopteris merianii, Pecopteris miltoni, Pecopteris miltonii, Pecopteris miltonii, Pecopteris monyi, Pecopteris nitida, Pecopteris obliquenervis, Pecopteris oreopteridia, Pecopteris oreopteroides, Pecopteris orientalis, Pecopteris orientalis, Pecopteris paleacea, Pecopteris parvifolia, Pecopteris patens, Pecopteris pectinata, Pecopteris pinnatifida, Pecopteris pinnatifida-waltoni, Pecopteris pirae, Pecopteris platoni, Pecopteris plumosa, Pecopteris plumosa-dentata, Pecopteris polymorpha, Pecopteris polypodioides, Pecopteris pseudo-bucklandi, Pecopteris pseudobucklandi, Pecopteris pseudoorepteridia, Pecopteris pseudovestita, Pecopteris punctata, Pecopteris quercifolia, Pecopteris rigida, Pecopteris ruetimeyeri, Pecopteris sarefolia, Pecopteris schoenleiniana, Pecopteris serpentigera, Pecopteris serpillifolia, Pecopteris serrulata, Pecopteris sillimani, Pecopteris squamosa, Pecopteris sternbergii, Pecopteris sub-elegans, Pecopteris sulzensis, Pecopteris taeniopteroides, Pecopteris tenuicoctata, Pecopteris tenuicostata, Pecopteris tenuidermis, Pecopteris tenuinervis, Pecopteris tobaensis, Pecopteris triassica, Pecopteris unita, Pecopteris unita, Pecopteris vestita, Pecopteris villosa, Pecopteris vorcutensis, Pecopteris waltoni, Pecopteris whitbyensis, Pecopteris wongi, Rajahia calceiformis

Synonymy list
YearName and author
1825Alethopteris Sternberg
1862Pecopteris (Alethopteris) Oldham and Morris
1976Alethopteris Lakhanpal et al.
1991Alethopteris Chandra and Tewari
2005Alethopteris Dilcher et al. p. 161

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RankNameAuthor
kingdomPlantae
phylumPteridophyta
classPteropsida
RankNameAuthor
subclassFilicinae
genusPecopterisBrongniart 1822
subgenusAlethopteris(Sternberg 1825)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Subg. †Pecopteris (Alethopteris) Sternberg 1825
show all | hide all
Alethopteris branneri White 1913
Alethopteris lobifolia Schimper 1828
Alethopteris lonchiticus Schlotheim 1804
Alethopteris roesserti Presl 1838
Alethopteris valida Boulay 1876
Alethopteris whitbyensis Göppert 1876
Alethopteris whitneyi Newberry 1876
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Mississippian to the top of the Early/Lower Aptian or 358.86000 to 119.57000 Ma

Collections (167 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Mississippian358.86 - 323.4USA (Illinois) Alethopteris lonchitica (13511)
Mississippian358.86 - 323.4USA (West Virginia) Alethopteris decurrens (12985) Alethopteris parva, Alethopteris decurrens (12694)
Mississippian358.86 - 323.4Canada (New Brunswick) Alethopteris lonchitica (12421)
Mississippian358.86 - 323.4Canada (Nova Scotia) Alethopteris lonchitica (13094)
Carboniferous - Desmoinesian358.86 - 306.0USA (Missouri) Alethopteris davreuxi, Alethopteris decurrens, Alethopteris grandini, Alethopteris serlii, Alethopteris valida (11196)
Carboniferous358.86 - 298.9USA (West Virginia) Alethopteris serlii (12672)
Carboniferous358.86 - 298.9Canada (New Brunswick) Alethopteris davreuxi (12723) Alethopteris lonchitica, Alethopteris serli (12722) Alethopteris lonchitica, Alethopteris serli, Alethopteris davreuxi (12426) Alethopteris serli (12721 12724)
Carboniferous358.86 - 298.9Spain Alethopteris sp. (11185 11186)
Carboniferous358.86 - 298.9Canada (Nova Scotia) Alethopteris grandini, Alethopteris pteroides, Alethopteris serlii, Alethopteris grandis (13145) Alethopteris lonchitica, Alethopteris nervosa, Alethopteris muricata (13146)
Carboniferous358.86 - 298.9Spain (Malpica) Alethopteris grandinioides (28379)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Changhsingian254.14 - 251.902China (Xizang) Alethopteris sp. 1 (29792)
Triassic251.902 - 201.4Australia (New South Wales) Alethopteris australis (132305)
Carnian237.0 - 227.3Mexico (Sonora) Alethopteris whitneyi (23993 24005 24032 24033 24041 24068 24069 24071 24076 24092) Cladophlebis roesserti, Alethopteris whitneyi (142640)
Early/Lower Jurassic201.4 - 174.7Mexico (Oaxaca) Alethopteris sp. (24724)
Late/Upper Jurassic161.5 - 143.1India (Jharkhand) Alethopteris sp. (225504)
Late/Upper Jurassic161.5 - 143.1India (Andhra Pradesh) Alethopteris whitbyensis (224645)
Late/Upper Jurassic161.5 - 143.1India (Tamil Nadu) Alethopteris whitbyensis (224646)
Late/Upper Jurassic161.5 - 143.1India Alethopteris sp. 1 (30129)
Late/Upper Jurassic - Early/Lower Cretaceous161.5 - 100.5India (Madhya Pradesh) Alethopteris lobifolia, Alethopteris whitbyensis (224642)
Barremian - Early/Lower Aptian125.77 - 119.57Belgium (Hainaut) Alethopteris sp. (22645)