马家村组是中国桑托期至科尼亚克期地质组构造。恐龙遗骸是从地层中发现的化石之一。
马家村组位于中国河南南阳县、淅川县一带的上白垩世地层,1975年由周世全,韩世敬等命名。该地层以棕红色钙质粉砂岩、细砂岩为主,间夹砂砾岩、泥灰岩、灰绿色粉砂岩等。[1]
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