Cardiograptus

Cardiograptus
Scientific classification
Kingdom:	Animalia
Phylum:	Hemichordata
Class:	Graptolithida
Family:	Glossograptidae
Genus:	Cardiograptus; Harris & Keble in Harris, 1916

Last updated August 13, 2025

Cardiograptus is a genus of graptolite, which is easily recognised even when poorly preserved by the form of the thecae.^[1]

References

↑ Richard A. Fortey, Yuandong Zhang & Claire Mellish (2005). "The relationships of biserial graptolites". Palaeontology . 48 (6): 1241–1272. doi: 10.1111/j.1475-4983.2005.00510.x .

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[1] Richard A. Fortey, Yuandong Zhang & Claire Mellish (2005). "The relationships of biserial graptolites". Palaeontology . 48 (6): 1241–1272. doi: 10.1111/j.1475-4983.2005.00510.x .

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