Marrellomorpha

Marrellomorpha Temporal range: Middle Cambrian–Lower Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Life restoration of Marrella from the Burgess Shale
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	†Marrellomorpha Beurlen, 1930
Subgroups
Acercostraca Marrellida

Marrellomorpha are an extinct group of

After Moysiuk et al., 2022.[2]

• Acercostraca
  • Skania Burgess Shale, Canada, Cambrian (Miaolingian) ? Kaili Formation, China, Cambrian (Wuliuan)
  • Primicaris Burgess Shale, Canada, Cambrian (Miaolingian), Maotianshan Shales, China, Cambrian Stage 3
  • Vachonisiidae
    • Xylokorys Coalbrookdale Formation, England, Silurian (Wenlock)
    • Vachonisia Hunsrück Slate, Germany, Lower Devonian (Emsian)
    • Enosiaspis Fezouata Formation, Morocco, Early Ordovician (Floian)
• Marrellida
  • Marrella Balang Formation, China, Cambrian Stage 4 Kaili Formation, China, Cambrian (Wuliuan), Burgess Shale, Canada, Cambrian (Miaolingian)
  • Furca Letná Formation, Czech Republic, Upper Ordovician (Sandbian)
  • "Furca" mauretanica (nomen nudum) Fezouata Formation, Morocco, Early Ordovician (Floian)
  • "Mimetaster" florestaensis Floresta Formation Argentina, Lower Ordovician (Tremadocian)
  • Mimetasteridae
    • Tomlinsonus Kirkfield Formation, Canada, Late Ordovician (Katian)
    • Mimetaster Hunsrück Slate, Germany, Lower Devonian (Emsian)

Fragmentary taxa assigned to Marrellomorpha include

Phylogeny

After Legg, 2016.[6]

	Outgroups Marrellomorpha Marrellida Marrella splendens Mimetasteridae Furca bohemica Moroccan marrellid Mimetaster hexagonalis Acercostraca Skania fragilis Primicaris larvaformis "Skania" sundbergi Vachonisiidae Enosiaspis hrungnir Xylokorys chledophilia Vachonisia rogeri

After Moysiuk et al., 2022.^[2]

Marrellomorpha Marrellida "Mimetaster" florestaensis Furca bohemica Mimetaster hexagonalis Tomlinsonus dimitrii Moroccan marrellid Marrella Palaeoisopus Haliestes Aquilonifer Acercostraca Vachonisia Xylokorys Enosiaspis Skania Primicaris Eoredlichia Mollisonia Waptia Tokummia Kylinxia

Taxa usually not considered marrellomorphs

Gallery

• 
  Ventral reconstruction of Xylokorys
• 
  Reconstruction of the head shield of

  Furca bohemica
• 
  Fossil of "Furca" mauretanica
• 
  Reconstruction of Mimetaster
• 
  Restoration of Vachonisia
• 
  Life restoration of Tomlinsonus
• 
  Life restoration of Primicaris
• 
  Diagram of Skania

References

1. doi:10.4202/app.2011.0038
   .
2. ^
   ISSN 0022-3360
   .
3. ISSN 1802-8225
   .
4. doi:10.4202/app.2011.0120
   .
5. ISSN 0567-7920
   .
6. ISSN 1432-1904
   .

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