Basic info Taxonomic history Classification Relationships
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Synonymy list
YearName and author
2005Chloroplastida Adl et al. p. 401 figs. Table 1

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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.

No diagnoses are available
No measurements are available
No ecological data are available

Age range

Maximum range based only on fossils: base of the Rhyacian to the top of the Holocene or 2300.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 2050.0 Ma

Collections (1938 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Rhyacian2300.0 - 2050.0USA (Michigan) Grypania spiralis (192010)
Mesoproterozoic1600.0 - 1000.0India (Bihar) Grypania spiralis (192009)
Tonian1000.0 - 850.0USA (California) Maculosphaera kingstonensis, Latisphaera wrightii (208336)
Neoproterozoic1000.0 - 541.0China (Tianjin) Grypania spiralis (10312)
Neoproterozoic1000.0 - 541.0USA (Montana) Grypania spiralis (10306) Proterotainia montana, Proterotainia neihartensis, Lanceoforma striata, Grypania spiralis (192007)
Ediacaran635.0 - 541.0China (Guizhou) Grypania spiralis (91632)
Nemakit-Daldynian - Tommotian541.0 - 520.0Russian Federation (Sakha) Tasmanites tenellus (99229)
Early/Lower Cambrian541.0 - 513.0Norway (Svalbard Archipelago) Tasmanites bobrowskii, Tasmanites tenellus (148618) Tasmanites tenellus, Tasmanites bobrowskii, Tasmanites volkovae (148617 148621)
Cambrian541.0 - 485.4Finland (Soderfjarden) Tasmanites sp. (41196)
Botomian - Lenian516.0 - 513.0Russian Federation Margaretia sp. (10018)
Dyeran516.0 - 513.0USA (California) Margaretia chamblessi (192227)
Dyeran516.0 - 513.0USA (Pennsylvania) Margaretia sp. (9314)
Delamaran513.0 - 505.0USA (Utah) Margaretia dorus (77218) Margaretia sp. (77219)
Middle Cambrian513.0 - 501.0Canada (British Columbia) Margaretia sp. (171308)
Middle Cambrian513.0 - 501.0USA (Idaho) Margaretia angustata (127485)
St Davids513.0 - 501.0Canada (British Columbia) Margaretia dorus (122094) Margaretia sp. (122072)
Marjumian513.0 - 498.5USA (Utah) Margaretia dorus (261) Margaretia sp. (56144)
Ibexian488.3 - 471.8USA (Utah) Calathium sp. (119446)
Tremadoc485.4 - 477.7China (Anhui) Calathium sp. (80137)
Tremadoc485.4 - 477.7Argentina Calathium sp. (8704 66888)