PBDB Taxon

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

Promathilda (Promathilda) biserta

Gastropoda - Heterostropha - Gordenellidae

Taxonomy

Cerithium bisertum 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 was recombined as Promathildia biserta by Kittl (1894); it was recombined as Promathilda (Promathilda) biserta by Tichy (1980).

Sister species lacking formal opinion data

P. contraria, P. multituberculata, P. parvilis, P. stuoresensis, P. subnodosa, P. tenuicarinata, P. winkleri, P. perarmatae

Synonyms

Turritella bipunctata 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 was synonymized subjectively with Promathildia biserta by Kittl (1894).
Turritella konninckeana was named by Münster (1841).

It was synonymized subjectively with Promathildia biserta by Kittl (1894).
Turritella punctata was named by Münster (1841).

It was synonymized subjectively with Promathildia biserta by Kittl (1894).
Cerithium gracile was named by Klipstein (1843).

It was synonymized subjectively with Promathildia biserta by Kittl (1894).
Turritella koninckeana was named by Münster (1841) [ Turritella Koninckeana]. 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 was recombined as Cerithium koninckeanum by Laube (1870); it was synonymized subjectively with Promathilda (Promathilda) biserta by Tichy (1980).

Synonymy list

Year	Name and author
1841	Cerithium bisertum Munster p. 122 figs. Pl 13, fig 44
1841	Turritella bipunctata Münster p. 119 figs. Pl 13, fig 17
1841	Turritella punctata Münster p. 119 figs. Pl 13, fig 16
1841	Turritella koninckeana Münster p. 121 figs. Taf. 13, Fig. 30
1841	Turritella konninckeana Münster p. 121 figs. Pl 13, fig 30
1841	Cerithium bisertum Münster p. 122 figs. Pl 13, fig 44
1843	Turritella konninkeana Klipstein p. 177 figs. Pl 11, fig 20
1843	Cerithium gracile Klipstein p. 183 figs. Pl 12, fig 2
1870	Cerithium koninckeanum Laube p. 5 figs. pl. 29 f. 6
1894	Promathildia biserta Kittl p. 220 figs. Pl 9, figs 18-23
1980	Promathilda (Promathilda) biserta Tichy p. 450

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

Rank	Name	Author
order	Heterostropha	()
order	Allogastropoda	Haszprunar 1985
superfamily	Mathildoidea	Dall 1889
family	Gordenellidae	Gründel 2000
genus	Promathilda	Andreae 1887
subgenus	Promathilda	Andreae 1887
species	biserta	()

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.

†Promathilda (Promathilda) biserta Münster 1841

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Invalid names: Cerithium gracile Klipstein 1843 [synonym], Promathilda (Promathilda) koninckeanum Münster 1841 [synonym], Turritella bipunctata Münster 1841 [synonym], Turritella konninckeana Münster 1841 [synonym], Turritella punctata Münster 1841 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	3	12.7	10.2	15.0	13.5	2.46

Composition:

aragonitec

Locomotion:

actively mobilec

Life habit:

epifaunalc

Vision:

limitedc

Created:

2004-02-29 11:40:59

Modified:

2010-02-11 01:35:02

Source: c = class

Reference: Kiessling 2004

Age range: Julian or 235.00000 to 232.00000 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Carnian	237.0 - 228.0	Italy	Promathilda biserta (164208)
Carnian	237.0 - 228.0	Hungary (Bakony)	Promathildia biserta (203210)
Julian	235.0 - 232.0	Italy	Cerithium bisertum, Turritella bipunctata, Turritella punctata, Turritella koninckeana (type locality: 137429) Promathildia biserta (144631)