Sharepoint list field

FieldType	Class Type	Type Display Name
Attachments	Microsoft.SharePoint.SPFieldAttachments	Attachments
Boolean	Microsoft.SharePoint.SPFieldBoolean	Yes/No
Calculated	Microsoft.SharePoint.SPFieldCalculated	Calculated
Choice	Microsoft.SharePoint.SPFieldChoice	Choice
Computed	Microsoft.SharePoint.SPFieldComputed	Computed
ContentTypeId	Microsoft.SharePoint.SPField	Content Type Id
Counter	Microsoft.SharePoint.SPField	Counter
Currency	Microsoft.SharePoint.SPFieldCurrency	Currency
DateTime	Microsoft.SharePoint.SPFieldDateTime	Date and Time
File	Microsoft.SharePoint.SPFieldFile	File
Guid	Microsoft.SharePoint.SPFieldGuid	Guid
Integer	Microsoft.SharePoint.SPFieldNumber	Integer
Lookup	Microsoft.SharePoint.SPFieldLookup	Lookup
ModStat	Microsoft.SharePoint.SPFieldModStat	Moderation Status
Note	Microsoft.SharePoint.SPFieldMultiLineText	Multiple lines of text
Number	Microsoft.SharePoint.SPFieldNumber	Number
Text	Microsoft.SharePoint.SPFieldText	Single line of text
URL	Microsoft.SharePoint.SPFieldUrl	Hyperlink or Picture
User	Microsoft.SharePoint.SPFieldUser	Person or Group
UserMulti	Microsoft.SharePoint.SPFieldUser	Person or Group