Comparison of the Structure of the Novus Ordo Mass and the Usus Antiquior Mass

Here's a handy table comparing the structure of Ordinary Form and Extraordinary Form masses.

Ordinary Form	Extraordinary Form
INTRODUCTORY RITES
Entrance Song, Greeting, Penitential Rite, Kyrie, Gloria, Opening Prayer	Asperges, Judica Me, Confiteor, Introit, Kyrie, Gloria, Collect
LITURGY OF THE WORD
First Reading, Responsorial Psalm, Second Reading, Gospel Acclamation, Gospel, Homily, Creed, Prayer of the Faithful	Epistle, Gradual, Gospel, Homily, Nicene Creed
OFFERTORY
Preparation of the Gifts, Prayer Over the Gifts, Preface, Sanctus	Offering of the Bread and Wine, Washing of the Hands, Prayer to the Most Holy Trinity, Orate Fratres, Secret, Preface, Sanctus
CONSECRATION
Epiclesis, Institution Narrative, Memorial Acclamation, Anamnesis, Intercessions, Doxology, Great Amen	Prayers Before the Consecration, Prayers at the Consecration, Prayers After the Consecration
COMMUNION
Lord's Prayer, Sign of Peace, Breaking of the Bread, Agnus Dei, Communion, Prayer After Communion	Libera Nos and the Division of the Host, Mixture of the Body and Blood, Agnus Dei, Prayers for Holy Communion, Prayers During the Ablutions, Communion Verse, Postcommunion Prayers
CONCLUDING RITE
Blessing, Dismissal	Dismissal, Blessing, Last Gospel