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Eodiscus scanicus

Artiopoda - Agnostida - Eodiscidae

Taxonomy
Microdiscus scanicus was named by Linnarsson (1883).

It was recombined as Spinodiscus punctatus scanicus by Kobayashi (1943); it was recombined as Eodiscus punctatus scanicus by Westergård (1946); it was recombined as Eodiscus scanicus by Rasetti (1952).

Sister species lacking formal opinion data
E. serratus

Synonyms
  • Eodiscus pulchellus was named by Hartt in Walcott (1884).

    It was recombined as Microdiscus punctatus pulchellus by Matthew (1886); it was recombined as Microdiscus pulchellus by Matthew (1896); it was synonymized subjectively with Eodiscus scanicus by Rasetti (1952).
  • Microdiscus punctatus precursor was named by Matthew (1886).

    It was recombined as Microdiscus precursor by Matthew (1896); it was recombined as Eodiscus praecursor by Raymond (1913); it was recombined as Deltadiscus praecursor by Kobayashi (1943); it was synonymized subjectively with Eodiscus scanicus by Rasetti (1952).
  • Dawsonia canadensis was named by Kobayashi (1944).

    It was synonymized subjectively with Eodiscus scanicus by Rasetti (1952).
Synonymy list
YearName and author
1883Microdiscus scanicus Linnarsson p. 29 figs. . 4, figs. 17, 18
1884Eodiscus pulchellus Hartt in Walcott p. 24
1886Microdiscus punctatus pulchellus Matthew p. 74 figs. Pl. 7, FIgs 12a - c
1886Microdiscus punctatus precursor Matthew p. 75 figs. pl. 7, fig. 13
1896Microdiscus precursor Matthew p. 239 figs. 17, scanicus Linnarsson]. fig. 7, text fig
1896Microdiscus pulchellus Matthew p. 242 figs. Pl. 17, Figs. 8a - f
1913Eodiscus praecursor Raymond p. 103 figs. Fig. 8
1943Deltadiscus praecursor Kobayashi p. 39
1943Spinodiscus punctatus scanicus Kobayashi p. 39
1944Dawsonia canadensis Kobayashi p. 60 figs. Pl. 2, Fig. 14
1946Eodiscus punctatus scanicus Westergård p. 25 figs. Plate 1, Fig. 6 - 11
1952Eodiscus scanicus Rasetti p. 447 figs. Plate 53, figures 7-16; plate 54, figures 10-16

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
orderAgnostidaSalter 1864
suborderEodiscina
familyEodiscidaeRaymond 1913
genusEodiscusMatthew 1896
speciesscanicus(Linnarsson 1883)

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.

†Eodiscus scanicus Linnarsson 1883
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Invalid names: Dawsonia canadensis Kobayashi 1944 [synonym], Eodiscus praecursor Matthew 1886 [synonym], Eodiscus pulchellus Hartt in Walcott 1884 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Entire body: yesf
Adult length: 1.0 to < 10f
Adult width: 1.0 to < 10f
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Vision: blindg
Created: 2009-12-13 02:28:33
Modified: 2009-12-13 04:28:33
Source: g = genus, f = family, o = order
References: Kiessling 2004, Hendy 2009, Whittington et al. 1997

Age range: Menevian or 504.50000 to 499.50000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Middle Cambrian506.5 - 497.0Greenland Eodiscus scanicus (10475 10476 10477 10484 10485)
Menevian504.5 - 499.5Sweden (Scania) Eodiscus scanicus (179691)