@article {6230,
	title = {Phylogenetic development of the family Posidoniidae and the genera <i>Daonella</i> and <i>Halobia</i> (Bivalvia; Triassic)},
	journal = {Geologica Balcanica},
	volume = {8},
	number = {2},
	year = {1978},
	month = {June},
	pages = {55-67},
	keywords = {bivalvia, evolution, fossils, mesozoic, mollusca, paleontology, phylogeny, posidoniidae, pterioida, pterioidea, triassic},
	author = {Encheva, Milka Georgieva}
}
@article {1140,
	title = {Phylogenetic development of the family Posidoniidae and the genera Daonella and Halobia (Bivalvia; Triassic)},
	journal = {Geologica Balcanica},
	volume = {8},
	number = {2},
	year = {1978},
	pages = {55-67},
	keywords = {bivalvia, evolution, mesozoic, mollusca, paleontology, phylogeny, posidoniidae, pterioida, pterioidea, triassic},
	author = {Encheva, Milka Georgieva}
}
