123:
438:
has a straight shell with a circular cross section, straight sutures, and a ventral to central, nanno-type, siphuncle which fills the entire apical part of the shell. Septal necks are macrochoanitic, up to two camerae (chambers) long; connecting rings, one chamber in length line the inside of the
589:
J. Laskovas, V. Marcinkevicius, and J. Paskevicius. 1993. The
Stratigraphy and Structure of Ordovician Rocks of the South - East Part of the Baltic Basin (Druksiu Area). Geologija, Detailed Stratigraphy
577:
O. K. Bogolepova, B. Kröger, M. Falahatgar and M. Javidan. 2014. Middle
Ordovician cephalopods from the Abarsaj area, northern Iran. GFF - Geological Society of Sweden 136(1):34-37
583:
B. Kröger. 2012. The 'Vaginaten': the dominant cephalopods of the
Baltoscandian Mid Ordovician endocerid limestone. Geologiska Föreningen i Stockholm Förhandlingar 134(2):115-132
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314:
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H. Mutvei. 1997. Siphuncular structure in
Ordovician endocerid cephalopods. Acta Palaeontologica Polonica 42(3):375-390
733:
607:
122:
555:
773:
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763:
597:, Part K. Endoceratoidea, Actinoceratoidea, Nautiloidea. Geological Soc. of America and Univ Kansas Press
793:
788:
783:
778:
758:
580:
B. Kröger. 2014. Middle
Ordovician cephalopod biofacies and palaeoenvironments of Baltoscandia. Lethaia
803:
428:(endocone-bearing orthoconic nautiliod) from the Early and Middle Ordovician included in the family
748:
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700:
624:
674:
527:"Middle–Late Ordovician cephalopod faunas from western Hunan and Hubei provinces, South China"
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necks. Endocones are long and slender, fill the entire bulbous, nanno-end, of the siphuncle.
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for "earlier shield horn") is a medium to large sized
453:Gortani 1934 are probably synonymous equivalents.
524:
715:
525:Fang, X.; Chen, T.; Wang, W.; Zhang, Y. (2022).
461:Fossils of the genus have been found in:
716:
623:
622:
595:Treatise on Invertebrate Paleontology
518:
13:
593:Tiechert,C. 1964. Endoceratoidea.
571:
14:
815:
601:
549:
235:Proterovaginoceras belemnitiforme
445:was named by Reudemann in 1905.
121:
42:
456:
1:
799:Fossil taxa described in 1905
511:
754:Ordovician animals of Europe
7:
543:10.19800/j.cnki.aps.2021040
531:Acta Palaeontologica Sinica
16:Extinct genus of nautiloids
10:
820:
739:Ordovician animals of Asia
631:
325:Dideroceras brevispiculum
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280:
250:
245:
232:
225:
118:Scientific classification
116:
23:
478:Pivorjaiskaja Formation
349:Dideroceras pribalticum
341:Dideroceras longispicum
734:Ordovician cephalopods
390:Schmidtoceras kundense
696:Paleobiology Database
614:Paleobiology Database
774:Fossils of Lithuania
333:Dideroceras kundense
769:Paleozoic Lithuania
764:Fossils of Estonia
633:Proterovaginoceras
609:Proterovaginoceras
557:Proterovaginoceras
502:Komstad Formations
443:Proterovaginoceras
436:Proterovaginoceras
417:Proterovaginoceras
215:Proterovaginoceras
25:Proterovaginoceras
794:Fossils of Sweden
789:Ordovician Sweden
784:Fossils of Norway
779:Ordovician Norway
759:Paleozoic Estonia
711:
710:
683:Open Tree of Life
625:Taxon identifiers
413:
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291:P. belemnitiforme
254:P. belemnitiforme
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804:Ordovician China
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29:Temporal range:
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537:(2): 197–216.
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724:Endoceratidae
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430:Endoceratidae
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422:Ancient Greek
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385:Balashov 1968
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457:Distribution
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257:(Holm, 1885)
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240:(Holm, 1885)
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227:Type species
214:
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24:
18:
729:Darriwilian
562:Fossilworks
480:, Lithuania
451:Chisloceras
447:Dideroceras
399:Vaginoceras
315:Dideroceras
175:Nautiloidea
165:Cephalopoda
31:Darriwilian
718:Categories
512:References
404:Chang 1957
401:endoseptum
369:Orthoceras
273:Fang, 2022
270:P. rapidum
188:Endocerida
171:Subclass:
590:(14)81-98
494:Gillberga
468:, Estonia
426:endocerid
382:estonicum
358:Endoceras
302:Holm 1885
297:Endoceras
141:Kingdom:
135:Eukaryota
648:Q7251578
642:Wikidata
504:, Sweden
490:, Norway
282:Synonyms
246:Species
194:Family:
155:Mollusca
151:Phylum:
145:Animalia
131:Domain:
688:4955334
675:1196667
662:4625082
612:in the
207:Genus:
181:Order:
161:Class:
106:↓
474:, Iran
371:duplex
360:duplex
317:amplum
701:12786
670:IRMNG
507:China
498:Holen
657:GBIF
564:.org
500:and
486:and
45:Preęž’
560:at
539:doi
484:Huk
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95:Pg
39:Ma
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420:(
211:â€
198:â€
185:â€
100:N
90:K
85:J
80:T
75:P
70:C
65:D
60:S
55:O
50:ęž’
34:~
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