PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Ludwigia

Cephalopoda - Ammonitida - Graphoceratidae

Taxonomy

Ludwigia was named by Bayle (1878) [Sepkoski's age data: J Aale Sepkoski's reference number: 302]. It is not extant. Its type is Ludwigia alternifolia.

It was assigned to Ammonoidea by Sepkoski (2002); and to Graphoceratinae by Howarth (2013).

Species

L. alternifolia (type species), L. armipotens, L. baylii, L. cornu, L. crassa, L. depilata, L. fueloepi, L. gradata, L. murchisonae, L. perennis, L. reflua, L. subtuberculata, L. tuberata

Species lacking formal opinion data

L. cucullifera, L. delectum, L. gigantea, L. haugi, L. haugi, L. haugi, L. helvetica, L. kraeuselii, L. krauselii, L. literata, L. murchisonae, L. murchisonae, L. obtusiformis, L. obtusiformis, L. palustris, L. pustulifera, L. similis, L. similis

Synonyms

Murchisonia was named by Engel (1896).

It was synonymized objectively with Ludwigia by Howarth (2013).
Cosmogyria was named by Buckman (1898).

It was synonymized subjectively with Ludwigia by Howarth (2013).
Welschia was named by Buckman (1898).

It was synonymized subjectively with Ludwigia by Howarth (2013).
Crickia was named by Buckman (1899).

It was synonymized subjectively with Ludwigia by Howarth (2013).
Hyattia was named by Buckman (1899).

It was synonymized subjectively with Ludwigia by Howarth (2013).
Kiliania was named by Buckman (1899).

It was synonymized subjectively with Ludwigia by Howarth (2013).
Ludwigina was named by Buckman (1899).

It was synonymized subjectively with Ludwigia by Howarth (2013).
Pseudographoceras was named by Buckman (1899).

It was synonymized subjectively with Ludwigia by Howarth (2013).
Strophogyria was named by Buckman (1899).

It was synonymized subjectively with Ludwigia by Howarth (2013).

Synonymy list

Year	Name and author
1878	Ludwigia Bayle
1896	Murchisonia Engel
1898	Cosmogyria Buckman
1898	Welschia Buckman
1899	Crickia Buckman
1899	Hyattia Buckman
1899	Kiliania Buckman
1899	Ludwigina Buckman
1899	Pseudographoceras Buckman
1899	Strophogyria Buckman
2002	Ludwigia Sepkoski
2013	Ludwigia Howarth p. 95

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Cephalopoda	Cuvier 1797

Rank	Name	Author
subclass	Ammonoidea	()
order	Ammonitida	Haeckel 1866
suborder	Ammonitina	Hyatt 1889
superfamily	Hildoceratoidea	(Hyatt 1867)
family	Graphoceratidae	Buckman 1905
subfamily	Graphoceratinae	Buckman 1905
genus	Ludwigia	Bayle 1878

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.

G. †Ludwigia Bayle 1878

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Ludwigia alternifolia Linnaeus 1753

†Ludwigia armipotens Buckman 1899

†Ludwigia baylii Buckman 1887

†Ludwigia cornu Buckman 1881

†Ludwigia crassa Horn 1909

†Ludwigia depilata Buckman 1925

†Ludwigia fueloepi Geczy 1967

†Ludwigia gradata Buckman 1904

†Ludwigia murchisonae Sowerby 1829

Ludwigia perennis Linnaeus 1753

†Ludwigia reflua Buckman 1904

†Ludwigia subtuberculata Rieber 1963

†Ludwigia tuberata Buckman 1899

Invalid names: Cosmogyria Buckman 1898 [synonym], Crickia Buckman 1899 [synonym], Hyattia Buckman 1899 [synonym], Kiliania Buckman 1899 [synonym], Ludwigina Buckman 1899 [synonym], Murchisonia Engel 1896 [objective synonym], Pseudographoceras Buckman 1899 [synonym], Strophogyria Buckman 1899 [synonym], Welschia Buckman 1898 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragoniteo

Environment:

marinec

Locomotion:

fast-movingo

Life habit:

nektonico

Diet:

carnivoreo

Vision:

well-developedc

Created:

2005-01-28 02:27:03

Modified:

2009-10-08 14:14:55

Source: o = order, c = class

References: Kiessling 2003, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Early/Lower Aalenian to the top of the Discites or 174.70000 to 168.20000 Ma
Minimum age of oldest fossil (stem group age): 170.9 Ma

Collections (45 total)

Time interval	Ma	Country or state	Original ID and collection number
Toarcian - Aalenian	184.2 - 170.9	France (Provence-Alpes-Côte d'Azur)	L. obtusiformis, L. murchisonae (106465)
Late/Upper Toarcian - Aalenian	180.4 - 170.9	France	L. murchisonae (51501)
Aalenian	174.7 - 170.9	Italy	L. obtusiformis (198946 198955) L. obtusiformis, L. pustulifera (198956)
Aalenian	174.7 - 170.9	Tunisia	L. sp. (170548)
Aalenian	174.7 - 170.9	United Kingdom	Cosmogyria subtabulata, Cosmogyria sp., Welschia obtusiformis, Hyattia pustulifera, Hyattia wilsoni, Pseudographoceras literatum, Strophogyria cosmia, Kiliania armipotens, Kiliania depilata (234765) Strophogyria cosmia (234766) Welschia obtusiformis, Pseudographoceras literatum, Strophogyria cosmia (234770)
Aalenian	174.7 - 170.9	Germany	L. haugi, L. haugi (59531)
Aalenian	174.7 - 170.9	Iran	L. murchisonae (155324 155325 155326)
Concavum	174.7 - 170.9	United Kingdom (England)	L. cornu (171416)
Concavum	174.7 - 170.9	United Kingdom	L. cornu (228417) L. murchisonae (228415)
Early/Lower Aalenian	174.7 - 170.9	France	L. murchisonae (58931)
Early/Lower Aalenian	174.7 - 170.9	Spain	L. haugi, L. obtusiformis, L. crassa (168074) L. murchisonae, L. subtuberculata (168075)
Middle Aalenian	174.7 - 170.9	Spain	L. obtusiformis (71716) L. obtusiformis, L. sp., L. similis, L. gigantea, L. helvetica (71714) L. similis, L. gigantea, L. delectum, L. helvetica (71718)
Middle Aalenian	174.7 - 170.9	France (Pays de la Loire)	L. murchisonae (140648)
Middle Aalenian	174.7 - 170.9	Ukraine (Transcarpathian)	L. literata, L. murchisonae (197180) L. sp. (197179)
Murchisonae	174.7 - 170.9	Germany	L. crassa, L. armipotens, L. subtuberculata (228471) L. murchisonae, L. armipotens, L. subtuberculata, L. tuberata, L. depilata, L. reflua (228474 228475) L. murchisonae, L. depilata, L. reflua, L. fueloepi, L. gradata (228476) L. murchisonae, L. subtuberculata (228473) L. tuberata (228472)
Murchisonae	174.7 - 170.9	United Kingdom	L. murchisonae, L. baylii (171138)
Murchisonae	174.7 - 170.9	Luxembourg	L. murchisonae (141471)
Murchisonae	174.7 - 170.9	Hungary	L. murchisonae (108717) L. obtusiformis, L. murchisonae (108718) L. sp. (108625 108664 108665 108666 108667 108707 108714 108715 108716)
Discites	170.9 - 168.2	United Kingdom	L. murchisonae (141363)