PBDB Taxon

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

Ensipteria

Bivalvia - Ostreida - Bakevelliidae

Taxonomy

Ensipteria was named by Nakazawa and Newell (1968) [Sepkoski's age data: P Guad-u P Dora Sepkoski's reference number: 157,666]. Its type is Ensipteria onukii.

It was assigned to Pterioida by Sepkoski (2002); and to Bakevelliidae by Tëmkin (2006).

Species

E. exilisa, E. intermedia, E. onukii (type species), E. praeangusta, E. radistriata, E. striata

Synonyms

Ensipteria intermedia was named by Xu (1980).

It was considered a nomen nudum by Xu (1980).
Ensipteria striata was named by Xu (1980).

It was considered a nomen nudum by Xu (1980).

Synonymy list

Year	Name and author
1968	Ensipteria Nakazawa and Newell
1980	Ensipteria intermedia Xu p. 4
1980	Ensipteria striata Xu p. 7
2002	Ensipteria Sepkoski
2006	Ensipteria Tëmkin p. 269

Is something missing? Join the Paleobiology Database and enter the data

Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia
subclass	Autobranchia	(Groblen 1894)

Rank	Name	Author
infraclass	Pteriomorphia	(Beurlen 1944)
—	Ostreomorphi	Ferussac 1822
—	Ostreioni	Ferussac 1822
—	Ostreata	Ferussac 1822
superorder	Ostreiformii	Ferussac 1822
order	Ostreida	(Fërussac 1822)
suborder	Malleidina	Gray 1854
superfamily	Pterioidea	Gray 1847
family	Bakevelliidae
genus	Ensipteria

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. †Ensipteria Nakazawa and Newell 1968

show all | hide all

†Ensipteria exilisa Zhang 1977

†Ensipteria onukii Nakazawa and Newell 1968

†Ensipteria praeangusta Frech 1911

†Ensipteria radistriata Zhang 1977

Invalid names: Ensipteria intermedia Xu 1980 [nomen nudum], Ensipteria striata Xu 1980 [nomen nudum]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
valve height	9	4.26	0.933	8.60	5.23	2.15

Composition:

aragonitef

Composition 2:

low Mg calcitef

Environment:

marine, brackisho

Locomotion:

stationarysuperf

Attached:

yessuperf

Epibiont:

yessuperf

Life habit:

epifaunalsuperf

Diet:

suspension feedersuperf

Vision:

blindc

Created:

2007-10-05 02:20:46

Modified:

2007-11-26 09:50:53

Source: f = family, superf = superfamily, o = order, c = class

References: Kiessling 2004, Sanchez Roig 1926, Aberhan et al. 2004

Age range: base of the Wordian to the top of the Changhsingian or 266.90000 to 252.17000 Ma

Collections (24 total)

Time interval	Ma	Country or state	Original ID and collection number
Wordian	266.9 - 264.28	Japan	E. onukii (114492 114533)
Capitanian	264.28 - 259.51	China (Guangdong)	E. sp. (113865)
Wuchiapingian	259.9 - 254.17	China (Guangxi)	E. sp. (50023 50025 50026 50027)
Wuchiapingian	259.9 - 254.17	China (Guangdong)	E. radistriata (123591)
Wuchiapingian	259.9 - 254.17	China (Guizhou)	E. exilisa (112006) E. striata (111997)
Wuchiapingian	259.9 - 254.17	China (Hunan)	E. onukii (121731) E. radistriata (95695 107826) E. radistriata, E. praeangusta (107820)
Lopingian	259.9 - 252.17	China (Jiangxi)	Gervilleia praeangusta (109628)
Changhsingian	254.17 - 252.17	China (Fujian)	E. praeangusta (111746)
Changhsingian	254.17 - 252.17	China (Hunan)	E. exilisa (105948 121730)
Changhsingian	254.17 - 252.17	China (Guizhou)	E. intermedia (111983 111987 111992 112010 112089 112091)