PBDB Taxon

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

Bredyia

Cephalopoda - Ammonitida - Hammatoceratidae

Taxonomy

Bredyia is a genus. It is not extant.

It was assigned to Ammonoidea by Sepkoski (2002); and to Hammatoceratinae by Kovács (2009), Howarth (2013).

Species

B. brancoi (syn. Hammatoceras lotharingicum, Parammatoceras boyeri), B. rugata (syn. Hammatoceras prinzi, Hammatoceras dolium), B. subinsignis (syn. Hammatoceras dumortieri, Burtonia crassornata, Hammatoceras vighi), Planammatoceras (Pseudammatoceras) benneri

Species lacking formal opinion data

B. alborzensis, B. alleoni, B. crassornata, B. diadematoides, B. guliense, B. iranica, B. lotharingica, B. manflaensis, B. manflasensis, B. shahmirzadense

Synonyms

Pseudammatoceras was named as a genus. It is not extant.

It was reranked as Planammatoceras (Pseudammatoceras) by Westermann (1969); it was synonymized subjectively with Bredyia by Howarth (2013).

It was assigned to Planammatoceras by Westermann (1969); and to Ammonoidea by Sepkoski (2002).
Burtonia was named by Buckman (1910).

It was replaced with Bredyia by Howarth (2013).

Synonymy list

Year	Name and author
1910	Burtonia Buckman
1969	Planammatoceras (Pseudammatoceras) Westermann p. 90
2002	Bredyia Sepkoski
2002	Pseudammatoceras Sepkoski
2009	Bredyia Kovács
2013	Bredyia Howarth p. 103

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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	Hammatoceratoidea	Schindewolf 1964
family	Hammatoceratidae	Buckman 1887
subfamily	Hammatoceratinae	Buckman 1887
genus	Bredyia

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. †Bredyia

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†Bredyia brancoi Prinz 1904

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Invalid names: Hammatoceras lotharingicum Benecke 1905 [synonym], Parammatoceras boyeri Elmi 1963 [synonym]

†Bredyia rugata Buckman 1925

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Invalid names: Hammatoceras dolium Buckman 1889 [replaced], Hammatoceras prinzi Geczy 1966 [synonym]

†Bredyia subinsignis Oppel 1856

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Invalid names: Burtonia crassornata Buckman 1910 [synonym], Hammatoceras dumortieri Prinz 1904 [synonym], Hammatoceras vighi Geczy 1966 [synonym]

Invalid names: Burtonia Buckman 1910 [replaced], Pseudammatoceras [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
height	1	84.0	-	-	-	-
diameter	1	213.0	-	-	-	-
inflation	1	64.0	-	-	-	-
shell height	10	40.8	23.0	130.0	34.0	32.7
shell diameter	10	105.5	58.0	350.0	90.0	87.7
shell inflation	10	36.3	24.0	51.1	38.0	10.4

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: base of the Late/Upper Toarcian to the top of the Early/Lower Bajocian or 180.40000 to 168.60000 Ma

Collections (47 total)

Time interval	Ma	Country or state	Original ID and collection number
Toarcian - Aalenian	184.2 - 170.9	Chile (Chañaral)	B. manflasensis (223829)
Toarcian - Aalenian	184.2 - 170.9	Chile (Copiapó)	B. crassornata (223769) B. sp. (223653)
Toarcian - Early/Lower Aalenian	184.2 - 170.9	Chile (Huasco)	B. sp. (223376)
Variabilis	182.9 - 174.7	Hungary	B. sp. (108080)
Late/Upper Toarcian	180.4 - 174.7	Italy (Sicily)	Pseudammatoceras brancoi (151228)
Late/Upper Toarcian	180.4 - 174.7	Spain	B. sp. (131825) B. subinsignis (147141 168058)
Late/Upper Toarcian	180.4 - 174.7	France	Hammatoceras lotharingicum (148818)
Late/Upper Toarcian	180.4 - 174.7	Spain (Granada)	B. sp (201309 201373 201381 201382 201383)
Late/Upper Toarcian	180.4 - 174.7	Hungary	B. brancoi (108647) B. subinsignis, B. brancoi (108695)
Late/Upper Toarcian	180.4 - 174.7	France (Deux-Sevrès)	Pseudammatoceras sp. (147196)
Late/Upper Toarcian - Aalenian	180.4 - 170.9	Canada (British Columbia)	B. manflasensis (53433 53439)
Late/Upper Toarcian - Early/Lower Aalenian	180.4 - 170.9	Canada (British Columbia)	B. sp. (53428)
Aalenian	174.7 - 170.9	Chile (Copiapó)	B. manflaensis (223667)
Concavum	174.7 - 170.9	Morocco	Pseudammatoceras sp. 1 (141202)
Early/Lower Aalenian	174.7 - 170.9	Germany	B. sp. (59496)
Early/Lower Aalenian	174.7 - 170.9	Canada (British Columbia)	B. manflasensis (53442)
Early/Lower Aalenian	174.7 - 170.9	Chile (Antofagasta)	B. manflasensis (210278)
Early/Lower Aalenian	174.7 - 170.9	Spain	B. lotharingica, B. subinsignis (168072) B. subinsignis (168073)
Early/Lower Aalenian - Middle Aalenian	174.7 - 170.9	Chile (Copiapó)	B. sp. (223658)
Late/Upper Aalenian	174.7 - 170.9	Spain	B. diadematoides (168076 168077 168078)
Middle Aalenian	174.7 - 170.9	Ukraine (Transcarpathian)	B. sp. (197179)
Middle Aalenian	174.7 - 170.9	Spain	Pseudammatoceras rugatum (71714)
Murchisonae	174.7 - 170.9	Hungary	B. rugata (108720)
Opalinum	174.7 - 170.9	Iran	B. alleoni, B. guliense, B. iranica, B. alborzensis, B. shahmirzadense (196963)
Opalinum	174.7 - 170.9	Germany	B. subinsignis (139795 139796 139798 139799)
Opalinum	174.7 - 170.9	United Kingdom	B. sp. (141362)
Opalinum	174.7 - 170.9	Hungary	B. brancoi (108655 108700) B. subinsignis, B. brancoi (108699)
Aalenian - Bajocian	174.7 - 168.2	Hungary	Hammatoceras brancoi, Hammatoceras vighi, Hammatoceras prinzi (64311)
Aalenian - Bajocian	174.7 - 168.2	Chile (Huasco)	B. sp. (223387)
Early/Lower Bajocian	170.9 - 168.6	USA (Alaska)	Planammatoceras benneri (175622)