-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001209191-06-059471.txt : 20061115
<SEC-HEADER>0001209191-06-059471.hdr.sgml : 20061115
<ACCEPTANCE-DATETIME>20061115090646
ACCESSION NUMBER:		0001209191-06-059471
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061115
FILED AS OF DATE:		20061115
DATE AS OF CHANGE:		20061115

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERUS GROUP CO/IA
		CENTRAL INDEX KEY:			0001051717
		STANDARD INDUSTRIAL CLASSIFICATION:	LIFE INSURANCE [6311]
		IRS NUMBER:				421458424
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		699 WALNUT STREET
		CITY:			DES MOINES
		STATE:			IA
		ZIP:			50309
		BUSINESS PHONE:		5153623600

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN MUTUAL HOLDING CO
		DATE OF NAME CHANGE:	19971217

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CUSHING BRENDA J
		CENTRAL INDEX KEY:			0001233350
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15166
		FILM NUMBER:		061218131

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		5153623600

	MAIL ADDRESS:	
		STREET 1:		699 WALNUT STREET
		STREET 2:		SUITE 2000
		CITY:			DES MOINES
		STATE:			IA
		ZIP:			50309
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-11-15</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001051717</issuerCik>
        <issuerName>AMERUS GROUP CO/IA</issuerName>
        <issuerTradingSymbol>AMH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001233350</rptOwnerCik>
            <rptOwnerName>CUSHING BRENDA J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>699 WALNUT STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2000</rptOwnerStreet2>
            <rptOwnerCity>DES MOINES</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>50309</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP &amp; Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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            <ownershipNature>
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                <natureOfOwnership>
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                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
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            </securityTitle>
            <conversionOrExercisePrice>
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            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-11-15</value>
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            <transactionTimeliness>
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                </transactionShares>
                <transactionPricePerShare>
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                <transactionPricePerShare>
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            <exerciseDate>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>8500</value>
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            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>26.75</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-11-15</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2006-11-15</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>42.25</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-02-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>37.62</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-11-15</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2006-11-15</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>31.38</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
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            <expirationDate>
                <value>2014-02-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                </underlyingSecurityShares>
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        <derivativeTransaction>
            <securityTitle>
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            <conversionOrExercisePrice>
                <value>60.30</value>
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            <transactionDate>
                <value>2006-11-15</value>
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            <deemedExecutionDate>
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            <transactionTimeliness>
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            <transactionAmounts>
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                <transactionPricePerShare>
                    <value>8.70</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
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            <transactionAmounts>
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                <directOrIndirectOwnership>
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            <securityTitle>
                <value>Performance Rights</value>
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            <transactionDate>
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            <transactionTimeliness>
                <value></value>
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                    <value>656</value>
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                <transactionPricePerShare>
                    <value>69.00</value>
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                <value>2006-11-15</value>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>489.8</value>
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                <transactionPricePerShare>
                    <value>69.00</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <footnoteId id="F2"/>
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                <footnoteId id="F2"/>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
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        <derivativeTransaction>
            <securityTitle>
                <value>Performance Rights</value>
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                <value>2006-11-15</value>
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                <value>2006-11-15</value>
            </deemedExecutionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>874.6</value>
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                <transactionPricePerShare>
                    <value>69.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F2"/>
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            <expirationDate>
                <footnoteId id="F2"/>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>874.6</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option was vested immediately and was disposed of pursuant to the merger agreement between the issuer and Aviva plc for the price reflected in column 8.</footnote>
        <footnote id="F2">These performance units were vested immediately and were disposed of pursuant to the merger agreement between the issuer and Aviva plc for $69 per share on the effective date of the merger.</footnote>
    </footnotes>

    <remarks>AmerUs Group Co. (NYSE: AMH) was merged into an acquisition subsidiary of Aviva plc on 11/15/2006.  This form reports &quot;disposition&quot; of all AMH securities in the merger.</remarks>

    <ownerSignature>
        <signatureName>/s/ Jeananne M. Celander, Attorney-in-fact for Ms. Cushing</signatureName>
        <signatureDate>2006-11-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----