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Kormagnostus seclusus

Artiopoda - Agnostida - Agnostidae

Taxonomy
Agnostus seclusus was named by Walcott (1884). Its type specimen is USNM 24586, a cephalon/head, and it is a 3D body fossil.

It was recombined as Kormagnostus seclusus by Palmer (1954) and Robison (1988).

Sister species lacking formal opinion data
K. beltensis, K. copelandia, K. flati, K. robisoni, K. speciosus

Synonyms
  • Kormagnostus simplex was named by Resser (1938).

    It was synonymized subjectively with Agnostus seclusus by Robison (1988).
Synonymy list
YearName and author
1884Agnostus seclusus Walcott p. 25 figs. Plate ix, fig. 14
1938Kormagnostus simplex Resser
1954Kormagnostus seclusus Palmer p. 59 figs. Plate 13, figures 1-3
1988Kormagnostus seclusus Robison p. 812

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyAgnostidaeM'Coy 1849
genusKormagnostusResser 1938
speciesseclusus()

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.

†Kormagnostus seclusus Walcott 1884
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Invalid names: Kormagnostus simplex Resser 1938 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Spines: noneg
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Vision: blindf
Created: 2009-02-25 10:13:39
Modified: 2009-02-25 12:13:39
Source: g = genus, f = family, o = order
References: Kiessling 2004, Hendy 2009

Age range: base of the Guzhangian to the top of the Dresbachian or 500.50000 to 486.85000 Ma

Collections (79 total)


Time interval Ma Country or state Original ID and collection number
Middle Cambrian506.5 - 497.0Argentina (Mendoza) Kormagnostus seclusus (9811 9815)
Menevian504.5 - 499.5Greenland (Peary Land) Kormagnostus seclusus (49482 49484 49485)
Menevian504.5 - 499.5USA (South Dakota) Kormagnostus seclusus (8239 8245 8246 8248 8275)
Marjumian504.5 - 497.0Canada (Newfoundland and Labrador) Kormagnostus seclusus (9695)
Marjumian504.5 - 497.0Greenland (Peary Land) Kormagnostus seclusus (49433 49434 49435 49449 49450 49453 49454 49481 49483)
Marjumian504.5 - 497.0Canada (Quebec) Kormagnostus simplex (235503)
Guzhangian500.5 - 497.0USA (Texas) Kormagnostus simplex (208647 208648 208649 208663 208668 208671 208678 208684 208685 208686 208712 208713 208733 208759 208760 208765 208766 208769 208771 208772 208773 208775 208776 208848 208855 208986)
Ayusokkanian499.5 - 497.0Kazakhstan Kormagnostus simplex (118186 118191 118236 118238 118239)
Dresbachian497.0 - 486.85Canada (Yukon) Kormagnostus seclusus (55210 55211 55213 55215)
Dresbachian497.0 - 486.85Canada (Newfoundland and Labrador) Kormagnostus seclusus (9694)
Dresbachian497.0 - 486.85USA (Wyoming) Kormagnostus seclusus (8076) Kormagnostus simplex (8957 8958 9048 9049 9052 9054 9056 9057 9059)
Dresbachian497.0 - 486.85USA (South Dakota) Kormagnostus seclusus (7182 7183 7184 7186 7187 7190 7199 7201 7277 7400 8021 8023)