This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 1234]

LHAPDF::AlphaS	Calculator interface for computing alpha_s(Q2) in various ways
LHAPDF::AlphaS_Analytic	Calculate alpha_s(Q2) by an analytic approximation
LHAPDF::AlphaS_Ipol
LHAPDF::AlphaS_ODE	Solve the differential equation in alphaS using an implementation of RK4
LHAPDF::AlphaSArray	Internal storage class for alpha_s interpolation grids
std::exception	STL class
std::runtime_error	STL class
LHAPDF::bad_lexical_cast	When lexical_cast goes bad
LHAPDF::Exception	Generic unspecialised LHAPDF runtime error
LHAPDF::AlphaSError	Error for general AlphaS computation problems
LHAPDF::FactoryError	Error to be raised by object factories given invalid requests
LHAPDF::FlavorError	Error for requests for unsupported/invalid flavour PIDs
LHAPDF::GridError	Error for general PDF grid problems
LHAPDF::IndexError	Error to be raised when a LHAPDF ID indexing fails
LHAPDF::LogicError	Error for places where it should not have been possible to get to!
LHAPDF::MetadataError	Error for unfound or broken metadata entries
LHAPDF::NotImplementedError	This feature doesn't exist yet
LHAPDF::RangeError	Error to be thrown when out of the valid range of a PDF
LHAPDF::ReadError	Error for file reading errors
LHAPDF::UserError	Problem exists between keyboard and chair
LHAPDF::VersionError	Error to be raised when a newer LHAPDF version is needed
LHAPDF::Extrapolator	The general interface for extrapolating beyond grid boundaries
LHAPDF::ContinuationExtrapolator
LHAPDF::ErrExtrapolator	Extrapolates using the closest point on the Grid
LHAPDF::NearestPointExtrapolator	Extrapolates using the closest point on the Grid
LHAPDF::File< FILETYPE >	MPI-safe file I/O interface
LHAPDF::Info	Metadata base class for PDFs, PDF sets, or global configuration
LHAPDF::Config	Class for PDF set metadata and manipulation
LHAPDF::PDFInfo	Metadata class for PDF members
LHAPDF::PDFSet	Class for PDF-set metadata and manipulation
LHAPDF::Interpolator	The general interface for interpolating between grid points
LHAPDF::BicubicInterpolator	Implementation of bicubic interpolation
LHAPDF::BilinearInterpolator	Implementation of bilinear interpolation
LHAPDF::LogBicubicInterpolator	Implementation of bicubic interpolation
LHAPDF::LogBilinearInterpolator	Implementation of bilinear interpolation
LHAPDF::KnotArray	Internal storage class for PDF data point grids
LHAPDF::PDF	PDF is the general interface for access to parton density information
LHAPDF::GridPDF	A PDF defined via an interpolation grid
LHAPDF::PDFErrInfo	Structure encoding the structure of the PDF error-set
LHAPDF::PDFUncertainty	Structure for storage of uncertainty info calculated over a PDF error set