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Veryhachium

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Age range (in million years)

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Image	Name	Original Description
	bacifer	Eisenack, A. (1934)
	*balticum*	Eisenack, A. (1951)
	cruciatum	Wetzel, O. (1933b)
	*geometricum*	Deflandre, G. (1945a)
	*hermesinoides*	Wetzel, O. (1940)
	*hyalodermum*	Cookson, I.C. (1956)
	*lairdii*	Deunff, J. (1959)
	*mensula*	Wetzel, O. (1933b)
	microfurcatum	Deunff, J. (1957)
	monacanthum	Deunff, J. (1951)
	oligospinosum	Eisenack, A. (1934)
	polygonale	Eisenack, A. (1931)
	*singulare*	Firtion, F. (1952)
	spiciferum	Deunff, J. (1955)
	staurasteroides	Deflandre, G. (1945a)
	trispinosum	Eisenack, A. (1938a)
	*trispinosum ssp. geometricum*	Deflandre, G. (1945a)
	trispinosum ssp. trisulcum	Deunff, J. (1959)
	trisulcum	Deunff, J. (1959)