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Microdictyon
Taxonomy
Microdictyon was named by Bengston et al. (1981) [Sepkoski's age data: Cm Atda-l Cm lMid Sepkoski's reference number: 552,885,1006]. Its type is Microdictyon effusum.
It was assigned to Lobopoda by Sepkoski (2002); to Lobopodia by Bambach et al. (2007); to Eoconchariidae by Skovsted (2006), Kouchinsky et al. (2011); and to Onychophora by Smith and Ortega-Hernández (2014).
It was assigned to Lobopoda by Sepkoski (2002); to Lobopodia by Bambach et al. (2007); to Eoconchariidae by Skovsted (2006), Kouchinsky et al. (2011); and to Onychophora by Smith and Ortega-Hernández (2014).
Species
M. cuneum, M. depressum, M. effusum (type species), M. montezumaensis, M. rhomboidale, M. robisoni, M. sinicum, M. sphaeroides
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Microdictyon Bengston et al. |
| 2002 | Microdictyon Sepkoski |
| 2006 | Microdictyon Skovsted p. 1095 |
| 2007 | Microdictyon Bambach et al. p. S78 |
| 2011 | Microdictyon Kouchinsky et al. p. 159 |
| 2014 | Microdictyon Smith and Ortega-Hernández |
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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.
G. †Microdictyon Bengston et al. 1981
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†Microdictyon cuneum Wotte and Sundberg 2017
†Microdictyon depressum Bengtson et al. 1990
†Microdictyon effusum Bengtson et al. 1981
†Microdictyon montezumaensis Wotte and Sundberg 2017
†Microdictyon rhomboidale Bengtson et al. 1986
†Microdictyon robisoni Bengtson et al. 1986
†Microdictyon sinicum Chen et al. 1989
†Microdictyon sphaeroides Hinz 1987
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: base of the Tommotian to the top of the Taijangian or 525.50000 to 504.50000 Ma
Collections (69 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Placentian | USA (Massachusetts) | M. sp. 1, M. sp. 2 (56841) | |
| Early/Lower Cambrian | Australia (South Australia) | M. sp. (215353) | |
| Tommotian | United Kingdom (England) | M. sphaeroides (79929) | |
| Atdabanian | China | M. spp. (151497) | |
| Atdabanian | China (Shaanxi) | M. chinense, M. spiniferum, M. typicum (57691) M. effusum (86679) M. fuchengense (57696) | |
| Atdabanian | Russian Federation (Tyva) | M. effusum (234754) | |
| Atdabanian | Kyrgyzstan | M. effusum (99326 99328) | |
| Atdabanian | Australia (South Australia) | M. depressum (97740 97741 97742 97746 97747 97789) | |
| Atdabanian | China (Yunnan) | M. sinicum (86846 90126 90133 90164 90165 90166 90494) M. sp. (86688 86930 86933) | |
| Atdabanian | Kazakhstan | M. effusum (99299 99300 99301 99303) | |
| Nangaoian | China (Yunnan) | M. sinicum (132327 132328 132330 194140 194153 194162) | |
| Stage 3 | Australia (South Australia) | M. sp. (242345 242346 242347) | |
| Atdabanian - Botomian | Canada (Nova Scotia) | M. sphaeroides (9350 9391) | |
| Montezuman - Atdabanian | Mexico | M. sp. (10681) | |
| Montezuman | USA (Nevada) | M. sp., M. rhomboidale, M. cuneum, M. montezumaensis (199532) | |
| Montezuman | Mexico | M. multicavus (203107) M. sp. (10680) | |
| Branchian | United Kingdom (England) | M. sphaeroides (79928 79931 79932) | |
| Branchian | Canada (New Brunswick) | M. sp. (84395) | |
| Botomian | Kazakhstan | M. effusum (99362) | |
| Botomian | Australia (South Australia) | M. depressum (96916 96932 96958 96959 97777) | |
| Botomian | Russian Federation (Yakutia) | M. sp. (90438) | |
| Dyeran | Greenland | M. sp. (49458 49464 49471) | |
| Toyonian | Türkiye (Konya) | M. sp. (91535) | |
| Amgan | Russian Federation (Siberia) | M. robisoni (110820 110821 110822) | |
| Solvan | Russian Federation (Siberia) | M. sp. (49431) M. sp., M. robisoni (49429 49430) M. sphaeroides, M. robisoni (110823) | |
| Taijangian | China (Guizhou) | M. sp. (79770) | |
| Middle Cambrian | Greenland | M. sp. (193556) |