PBDB Taxon

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

Cassianella gryphaeata

Bivalvia - Ostreida - Cassianellidae

Taxonomy

Avicula gryphaeata was named by Münster (1841). It is a 3D body fossil. Its type locality is St. Cassian (Munster coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy. It is the type species of Avicula.

It was recombined as Cassianella gryphaeata by Laube (1865).

Sister species lacking formal opinion data

C. ampezzana, C. aviculoides, C. beyrichi, C. beyrichi, C. bipartita, C. dovjikovi, C. dubia, C. dussaulti, C. ecki, C. fragilis, C. gigantea, C. gryphaeatoides, C. grypheata, C. gyrphaeatoides, C. imagnensis, C. inaequiradiata, C. inaequivalvis, C. jindingensis, C. ligulata, C. praecursor, C. qingyanensis, C. subcicloensis, C. subcislonensis, C. subsislonensis, C. sulcata, C. tectiformis, C. tulongensis

Synonyms

Ostrea avicularis was named by Klipstein (1843).

It was synonymized subjectively with Cassianella gryphaeata by Laube (1865).
Ostrea bronni was named by Klipstein (1843).

It was synonymized subjectively with Cassianella gryphaeata by Laube (1865).

Synonymy list

Year	Name and author
1841	Avicula gryphaeata Münster p. 75 figs. Pl 7, fig 7
1843	Ostrea avicularis Klipstein p. 246 figs. Pl 15, fig 30
1843	Ostrea bronni Klipstein p. 247 figs. Pl 15, fig 31
1865	Cassianella gryphaeata Laube p. 46 figs. Pl 17, fig 1

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia
subclass	Autobranchia	(Groblen 1894)
infraclass	Pteriomorphia	(Beurlen 1944)

Rank	Name	Author
—	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	Cassianellidae	Ichikawa 1958
genus	Cassianella	Beyrich 1862
species	gryphaeata	()

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.

†Cassianella gryphaeata Münster 1841

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Invalid names: Ostrea avicularis Klipstein 1843 [synonym], Ostrea bronni Klipstein 1843 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

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 06:02:23

Modified:

2007-10-05 08:02:23

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

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

Age range: base of the Longobardian to the top of the Late/Upper Campanian or 239.48000 to 72.20000 Ma

Collections (14 total)

Time interval	Ma	Country or state	Original ID and collection number
Ladinian	241.464 - 237.0	Vietnam	Cassianella gryphaeata (44767)
Longobardian	239.48 - 237.0	Italy (Trentino)	Cassianella gryphaeata (44953)
Julian	237.0 - 233.6	Italy	Avicula gryphaeata (type locality: 137429) Cassianella gryphaeata (69667 69684 69685 144634)
Carnian	237.0 - 227.3	Austria	Cassianella gryphaeata (201956)
Norian	227.3 - 205.7	Russian Federation (Primorskiy Kray)	Cassianella gryphaeata (97858)
Early/Lower Campanian	83.6 - 72.2	Germany	Ostrea bronni (64140)
Late/Upper Campanian	83.6 - 72.2	Germany	Ostrea bronni (64142 64143 64155 64177)